RE: Anyone tried setting up a Linux TFTP Server for Cisco?
We use HP-UX for tftp and it works great. Jeff Jeff Groman IS Department, Childrens Hospital, Denver [EMAIL PROTECTED] 303 864 5671 On Fri, 23 Mar 2001, Brian Kimsey-Hickman wrote: > Re: Anyone tried setting up a Linux TFTP Server for Cisco?Thanks, for > everyone who replied. I didn't mean to start a Linux versus Microsoft > controversy but that is okay. I think they are valuable discussions. I did > read in the Cisco literature that the Windows base tftp servers are limited > to 16 MB and the Linux/Unix versions are not. Since flash images are fast > approaching that size I thought I would start getting prepared. Whether or > not that is actually true, I don't know. Thanks, Alan your suggestions did > the trick. > > Thanks, > > Brian > -Original Message- > >From: Elijah Savage [mailto:[EMAIL PROTECTED]] > Sent: Thursday, March 22, 2001 11:17 AM > To: W. Alan Robertson; Brian Kimsey-Hickman; [EMAIL PROTECTED] > Subject: RE: Anyone tried setting up a Linux TFTP Server for Cisco? > > > I know its off topic, but I hate such narrow minded comments... > > If you have ever installed any *ix system, you'd be darn well > > aware that the thing isw i d e open. There is almost > > no security there. It has to be added and maintained. Win32 > > systems are similar. Very trusting and friendly until they are > > properly taken care of. Is *ix inherently more secure? no way. > > > No holy war here either. But I could not resist the reply to this comment. > Of course it depends on the administrator of the box, but it depends also > how you install it. I have never installed a linux box with ftp or telnet by > default(openssh). Because these boxes I setup are usually dns or web servers > you can install them so that they run in a chrooted environments which tends > to be a tad bit more secure. This is one reason I like nix over any win > platform because I can install what I want and how I want it, which usually > makes a nix box more secure than any win platform. So to me how I stated > above nix is more secure, but of course you have to know what you are doing. > You probably will say well this is not a base install. And my reply is well > if you do a custom install which you can do right out of the box without > recompiling the kernel or anything fancy nix will me more secure than win32 > platforms out of the box. I would like to see a custom install on win32 > instead of click here to continue. > > I challenge anyone to make a valid, non-ideological based > > comparison of a base Win32 and a base Liux install. If Linux > > were so damned secure in its current state, I woulnd't see IDS > > logs filling up with folks scanning for obvious Linux vulns, now > > would I? Bottom dollar is, without proper administration, both > > Win32 and *ix suck big time. With proper care and feeding, they > > can both become releatively secure. > > > > You are seeing IDS logs filling up due to the fact that most script > kiddies out there are learning nix and what vulnerabilities are associated > with it. And from my years of experience and dealing with these individuals > it is more of a challenge for them, like a notch in their belt if they > compromise a nix box rather than a win32 platform. They will be readily > accepted by their peers if this is accomplished and shunned away for saying > hey I cracked a nt server. Due to the fact and the latest security survey (I > can't remeber right off hand by whom) that show due to the recent influx of > MCSE certified individuals that lack experience on securing these boxes that > get broken into its not a challenge to them any more. It showed there were a > very high number of individuals out there that did not even have the known > IIS patch applied. I am not knocking MCSE individuals here because I myself > am a MCSE+I we all have to start some where. But there are more individuals > out there in the industry with NT boxes than there are with Unix boxes under > their control. > If you ask me this is some of the reason why you see so many entries in > your log for nix vulnerabilities than you do for the win32 platform. > > > > > -Original Message- > From: W. Alan Robertson > Sent: Thu 3/22/2001 10:23 AM > To: Brian Kimsey-Hickman; [EMAIL PROTECTED] > Cc: > Subject: Re: Anyone tried setting up a Linux TFTP Server for Cisco? > > > Rather than get into a Holy War about why Linux is better than Windows, > I > figured I'd just answer your question. > > in.tftpd doesn't constantly run like other processes, like a http > server, as an > e
RE: Anyone tried setting up a Linux TFTP Server for Cisco?
Re: Anyone tried setting up a Linux TFTP Server for Cisco?Thanks, for
everyone who replied. I didn't mean to start a Linux versus Microsoft
controversy but that is okay. I think they are valuable discussions. I did
read in the Cisco literature that the Windows base tftp servers are limited
to 16 MB and the Linux/Unix versions are not. Since flash images are fast
approaching that size I thought I would start getting prepared. Whether or
not that is actually true, I don't know. Thanks, Alan your suggestions did
the trick.
Thanks,
Brian
-Original Message-
From: Elijah Savage [mailto:[EMAIL PROTECTED]]
Sent: Thursday, March 22, 2001 11:17 AM
To: W. Alan Robertson; Brian Kimsey-Hickman; [EMAIL PROTECTED]
Subject: RE: Anyone tried setting up a Linux TFTP Server for Cisco?
I know its off topic, but I hate such narrow minded comments...
> If you have ever installed any *ix system, you'd be darn well
> aware that the thing isw i d e open. There is almost
> no security there. It has to be added and maintained. Win32
> systems are similar. Very trusting and friendly until they are
> properly taken care of. Is *ix inherently more secure? no way.
No holy war here either. But I could not resist the reply to this comment.
Of course it depends on the administrator of the box, but it depends also
how you install it. I have never installed a linux box with ftp or telnet by
default(openssh). Because these boxes I setup are usually dns or web servers
you can install them so that they run in a chrooted environments which tends
to be a tad bit more secure. This is one reason I like nix over any win
platform because I can install what I want and how I want it, which usually
makes a nix box more secure than any win platform. So to me how I stated
above nix is more secure, but of course you have to know what you are doing.
You probably will say well this is not a base install. And my reply is well
if you do a custom install which you can do right out of the box without
recompiling the kernel or anything fancy nix will me more secure than win32
platforms out of the box. I would like to see a custom install on win32
instead of click here to continue.
I challenge anyone to make a valid, non-ideological based
> comparison of a base Win32 and a base Liux install. If Linux
> were so damned secure in its current state, I woulnd't see IDS
> logs filling up with folks scanning for obvious Linux vulns, now
> would I? Bottom dollar is, without proper administration, both
> Win32 and *ix suck big time. With proper care and feeding, they
> can both become releatively secure.
>
You are seeing IDS logs filling up due to the fact that most script
kiddies out there are learning nix and what vulnerabilities are associated
with it. And from my years of experience and dealing with these individuals
it is more of a challenge for them, like a notch in their belt if they
compromise a nix box rather than a win32 platform. They will be readily
accepted by their peers if this is accomplished and shunned away for saying
hey I cracked a nt server. Due to the fact and the latest security survey (I
can't remeber right off hand by whom) that show due to the recent influx of
MCSE certified individuals that lack experience on securing these boxes that
get broken into its not a challenge to them any more. It showed there were a
very high number of individuals out there that did not even have the known
IIS patch applied. I am not knocking MCSE individuals here because I myself
am a MCSE+I we all have to start some where. But there are more individuals
out there in the industry with NT boxes than there are with Unix boxes under
their control.
If you ask me this is some of the reason why you see so many entries in
your log for nix vulnerabilities than you do for the win32 platform.
-Original Message-
From: W. Alan Robertson
Sent: Thu 3/22/2001 10:23 AM
To: Brian Kimsey-Hickman; [EMAIL PROTECTED]
Cc:
Subject: Re: Anyone tried setting up a Linux TFTP Server for Cisco?
Rather than get into a Holy War about why Linux is better than Windows,
I
figured I'd just answer your question.
in.tftpd doesn't constantly run like other processes, like a http
server, as an
example.
in.tftpd is typically started as needed, and terminated when finished.
The
controlling process is inetd. The configuration file for inetd can be
found at
'/etc/inetd.conf'.
Edit that file...
Scroll down to a line that reads like this (the exact line varies by
Linux
distribution):
#tftp dgram udp waitnobody /usr/sbin/tcpd
/usr/sbin/in.tftpd /tftpboot
The # means that this line is commented out. If you remove the hash
mark,
leaving:
tftp dgram udp waitnobody /usr/sbin/tcpd
/usr/sbin/in.tftpd /
Re: Anyone tried setting up a Linux TFTP Server for Cisco?
Hey it looks like the Windows 2000 CD key! I think you're cursing at us and it's rude. ;) - Original Message - From: "Elijah Savage" <[EMAIL PROTECTED]> To: "Allen May" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Thursday, March 22, 2001 12:22 PM Subject: RE: Anyone tried setting up a Linux TFTP Server for Cisco? > SSBjYW4ndCBiZWxpZXZlIHlvdSBtYWtlIGZ1biBvZiBteSBnaWJlcmlzaCBuYXRpdmUgbGFuZ3Vh > Z2UuIGxvbCA6KQ0KDQoJLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0gDQoJRnJvbTogQWxsZW4g > TWF5IA0KCVNlbnQ6IFRodSAzLzIyLzIwMDEgMTE6NDUgQU0gDQoJVG86IEVsaWphaCBTYXZhZ2U7 > IGNpc2NvQGdyb3Vwc3R1ZHkuY29tIA0KCUNjOiANCglTdWJqZWN0OiBSZTogQW55b25lIHRyaWVk > IHNldHRpbmcgdXAgYSBMaW51eCBURlRQIFNlcnZlciBmb3INCkNpc2NvPw0KCQ0KCQ0KDQoJWW91 > IHNob3VsZCBzcGVsbCBjaGVjayB5b3VyIGVtYWlscyBiZWZvcmUgc2VuZGluZy4gOykNCgkNCgkt > LS0tLSBPcmlnaW5hbCBNZXNzYWdlIC0tLS0tDQoJRnJvbTogIkVsaWphaCBTYXZhZ2UiIDxlc2F2 > YWdlQGRpZ2l0YWxyYWdlLm9yZz4NCglUbzogIlcuIEFsYW4gUm9iZXJ0c29uIiA8d2Fyb2JlcnRz > b25AZWFydGhsaW5rLm5ldD47ICJCcmlhbg0KS2ltc2V5LUhpY2ttYW4iDQoJPGtpbWhpY2tAbXBp > bmV0Lm5ldD47IDxjaXNjb0Bncm91cHN0dWR5LmNvbT4NCglTZW50OiBUaHVyc2RheSwgTWFyY2gg > MjIsIDIwMDEgMTA6MTYgQU0NCglTdWJqZWN0OiBSRTogQW55b25lIHRyaWVkIHNldHRpbmcgdXAg > YSBMaW51eCBURlRQIFNlcnZlciBmb3INCkNpc2NvPw0KCQ0KCQ0KCT4NCgkNClNTQnJibTkzSUds > MGN5QnZabVlnZEc5d2FXTXNJR0oxZENCSklHaGhkR1VnYzNWamFDQnVZWEp5YjNjZ2JXbHVaR1Zr > SUdOdg0KYlcxbA0KCT4NCgkNCmJuUnpMaTR1RFFvK0lFbG1JSGx2ZFNCb1lYWmxJR1YyWlhJZ2FX > NXpkR0ZzYkdWa0lHRnVlU0FxYVhnZ2MzbHpkR1Z0TENCNQ0KYjNVbg0KCT4NCgkNClpDQmlaU0Jr > WVhKdUlIZGxiR3dOQ2o0Z1lYZGhjbVVnZEdoaGRDQjBhR1VnZEdocGJtY2dhWE1nSUNBZ2R5QWdh > U0FnWkNBZw0KWlNBZw0KCT4NCgkNCklHOXdaVzR1SUNCVWFHVnlaU0JwY3lCaGJHMXZjM1FOQ2o0 > Z2JtOGdjMlZqZFhKcGRIa2dkR2hsY21VdUlDQkpkQ0JvWVhNZw0KZEc4Zw0KCT4NCgkNClltVWdZ > V1JrWldRZ1lXNWtJRzFoYVc1MFlXbHVaV1F1SUNCWGFXNHpNZzBLUGlCemVYTjBaVzF6SUdGeVpT > QnphVzFwYkdGeQ0KTGlBZw0KCT4NCgkNClZtVnllU0IwY25WemRHbHVaeUJoYm1RZ1puSnBaVzVr > YkhrZ2RXNTBhV3dnZEdobGVTQmhjbVVOQ2o0Z2NISnZjR1Z5YkhrZw0KZEdGcg0KCT4NCgkNClpX > NGdZMkZ5WlNCdlppNGdJRWx6SUNwcGVDQnBibWhsY21WdWRHeDVJRzF2Y21VZ2MyVmpkWEpsUHlB > Z2JtOGdkMkY1TGcwSw0KRFFvZw0KCT4NCgkNCkRRcE9ieUJvYjJ4NUlIZGhjaUJvWlhKbElHVnBk > R2hsY2k0Z1FuVjBJRWtnWTI5MWJHUWdibTkwSUhKbGMybHpkQ0IwYUdVZw0KY21Wdw0KCT4NCgkN > CmJIa2dkRzhnZEdocGN3MEtZMjl0YldWdWRDNGdUMllnWTI5MWNuTmxJR2wwSUdSbGNHVnVaSE1n > YjI0Z2RHaGxJR0ZrYldsdQ0KYVhOMA0KCT4NCgkNCmNtRjBiM0lnYjJZZ2RHaGxJR0p2ZUN3Z1lu > VjBJR2wwRFFwa1pYQmxibVJ6SUdGc2MyOGdhRzkzSUhsdmRTQnBibk4wWVd4cw0KSUdsMA0KCT4N > CgkNCkxpQkpJR2hoZG1VZ2JtVjJaWElnYVc1emRHRnNiR1ZrSUdFZ2JHbHVkWGdnWW05NElIZHBk > R2dOQ21aMGNDQnZjaUIwWld4dQ0KWlhRZw0KCT4NCgkNCllua2daR1ZtWVhWc2RDaHZjR1Z1YzNO > b0tTNGdRbVZqWVhWelpTQjBhR1Z6WlNCaWIzaGxjeUJKSUhObGRIVndJR0Z5WlEwSw0KZFhOMQ0K > CT4NCgkNCllXeHNlU0JrYm5NZ2IzSWdkMlZpSUhObGNuWmxjbk1nZVc5MUlHTmhiaUJwYm5OMFlX > eHNJSFJvWlcwZ2MyOGdkR2hoZENCMA0KYUdWNQ0KCT4NCgkNCklISjFiaUJwYmlCaERRcGphSEp2 > YjNSbFpDQmxiblpwY205dWJXVnVkSE1nZDJocFkyZ2dkR1Z1WkhNZ2RHOGdZbVVnWVNCMA0KWVdR > Zw0KCT4NCgkNClltbDBJRzF2Y21VZ2MyVmpkWEpsTGlCVWFHbHpJR2x6RFFwdmJtVWdjbVZoYzI5 > dUlFa2diR2xyWlNCdWFYZ2diM1psY2lCaA0KYm5rZw0KCT4NCgkNCmQybHVJSEJzWVhSbWIzSnRJ > R0psWTJGMWMyVWdTU0JqWVc0Z2FXNXpkR0ZzYkNCM2FHRjBJRWtOQ25kaGJuUWdZVzVrSUdodg0K > ZHlCSg0KCT4NCgkNCklIZGhiblFnYVhRc0lIZG9hV05vSUhWemRXRnNiSGtnYldGclpYTWdZU0J1 > YVhnZ1ltOTRJRzF2Y21VZ2MyVmpkWEpsSUhSbw0KWVc0Tg0KCT4NCgkNCkNtRnVlU0IzYVc0Z2NH > eGhkR1p2Y20wdUlGTnZJSFJ2SUcxbElHaHZkeUJKSUhOMFlYUmxaQ0JoWW05MlpTQnVhWGdnYVhN > Zw0KYlc5eQ0KCT4NCgkNClpTQnpaV04xY21Vc0lHSjFkQ0J2WmcwS1kyOTFjbk5sSUhsdmRTQm9Z > WFpsSUhSdklHdHViM2NnZDJoaGRDQjViM1VnWVhKbA0KSUdSdg0KCT4NCgkNCmFXNW5MaUJaYjNV > Z2NISnZZbUZpYkhrZ2QybHNiQ0J6WVhrZ2QyVnNiQTBLZEdocGN5QnBjeUJ1YjNRZ1lTQmlZWE5s > SUdsdQ0KYzNSaA0KCT4NCgkNCmJHd3VJRUZ1WkNCdGVTQnlaWEJzZVNCcGN5QjNaV3hzSUdsbUlI > bHZkU0JrYnlCaElHTjFjM1J2YlEwS2FXNXpkR0ZzYkNCMw0KYUdsag0KCT4NCgkNCmFDQjViM1Vn > WTJGdUlHUnZJSEpwWjJoMElHOTFkQ0J2WmlCMGFHVWdZbTk0SUhkcGRHaHZkWFFnY21WamIyMXdh > V3hwYm1jZw0KZEdobA0KCT4NCgkNCkRRcHJaWEp1Wld3Z2IzSWdZVzU1ZEdocGJtY2dabUZ1WTNr > Z2JtbDRJSGRwYkd3Z2JXVWdiVzl5WlNCelpXTjFjbVVnZEdoaA0KYmlCMw0KCT4NCgkNCmFXNHpN > aUJ3YkdGMFptOXliWE1OQ205MWRDQnZaaUIwYUdVZ1ltOTRMaUJKSUhkdmRXeGtJR3hwYTJVZ2RH > OGdjMlZsSUdFZw0KWTNWeg0KCT4NCgkNCmRHOXRJR2x1YzNSaGJHd2diMjRnZDJsdU16SWdhVzV6 > ZEdWaFpDQnZaZzBLWTJ4cFkyc2dhR1Z5WlNCMGJ5QmpiMjUwYVc1MQ0KWlM0Tg0KCT4NCgkNCkNp > QU5Da2tnWTJoaGJHeGxibWRsSUdGdWVXOXVaU0IwYnlCdFlXdGxJR0VnZG1Gc2FXUXNJRzV2Ymkx > cFpHVnZiRzluYVdOaA0KYkNCaQ0KCT4NCgkNCllYTmxaQTBLUGlCamIyMXdZWEpwYzI5dUlHOW1J > R0VnWW1GelpTQlhhVzR6TWlCaGJtUWdZU0JpWVhObElFeHBkWGdnYVc1eg0KZEdGcw0KCT4NCgkN > CmJDNGdJRWxtSUV4cGJuVjREUW8rSUhkbGNtVWdjMjhnWkdGdGJtVmtJSE5sWTNWeVpTQnBiaUJw > ZEhNZ1kzVnljbVZ1ZENCeg0KZEdGMA0KCT4NCgkNClpTd2dTU0IzYjNWc2JtUW5kQ0J6WldVZ1NV > UlREUW8rSUd4dlozTWdabWxzYkdsdVp5QjFjQ0IzYVhSb0lHWnZiR3R6SUhOag0KWVc1dQ0KCT4N > CgkNCmFXNW5JR1p
Re: Anyone tried setting up a Linux TFTP Server for Cisco?
It did have an artistic beauty to it until the >inserts messed it up tho ;) - Original Message - From: "Elijah Savage" <[EMAIL PROTECTED]> To: "Allen May" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Thursday, March 22, 2001 12:22 PM Subject: RE: Anyone tried setting up a Linux TFTP Server for Cisco? > I can't believe you make fun of my giberish native language. lol :) > > -Original Message- > From: Allen May > Sent: Thu 3/22/2001 11:45 AM > To: Elijah Savage; [EMAIL PROTECTED] > Cc: > Subject: Re: Anyone tried setting up a Linux TFTP Server for > Cisco? > > > > You should spell check your emails before sending. ;) > > - Original Message - > From: "Elijah Savage" <[EMAIL PROTECTED]> > To: "W. Alan Robertson" <[EMAIL PROTECTED]>; "Brian > Kimsey-Hickman" > <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> > Sent: Thursday, March 22, 2001 10:16 AM > Subject: RE: Anyone tried setting up a Linux TFTP Server for > Cisco? > > > > > > SSBrbm93IGl0cyBvZmYgdG9waWMsIGJ1dCBJIGhhdGUgc3VjaCBuYXJyb3cgbWluZGVkIGNv > bW1l > > > > bnRzLi4uDQo+IElmIHlvdSBoYXZlIGV2ZXIgaW5zdGFsbGVkIGFueSAqaXggc3lzdGVtLCB5 > b3Un > > > > ZCBiZSBkYXJuIHdlbGwNCj4gYXdhcmUgdGhhdCB0aGUgdGhpbmcgaXMgICAgdyAgaSAgZCAg > ZSAg > > > > IG9wZW4uICBUaGVyZSBpcyBhbG1vc3QNCj4gbm8gc2VjdXJpdHkgdGhlcmUuICBJdCBoYXMg > dG8g > > > > YmUgYWRkZWQgYW5kIG1haW50YWluZWQuICBXaW4zMg0KPiBzeXN0ZW1zIGFyZSBzaW1pbGFy > LiAg > > > > VmVyeSB0cnVzdGluZyBhbmQgZnJpZW5kbHkgdW50aWwgdGhleSBhcmUNCj4gcHJvcGVybHkg > dGFr > > > > ZW4gY2FyZSBvZi4gIElzICppeCBpbmhlcmVudGx5IG1vcmUgc2VjdXJlPyAgbm8gd2F5Lg0K > DQog > > > > DQpObyBob2x5IHdhciBoZXJlIGVpdGhlci4gQnV0IEkgY291bGQgbm90IHJlc2lzdCB0aGUg > cmVw > > > > bHkgdG8gdGhpcw0KY29tbWVudC4gT2YgY291cnNlIGl0IGRlcGVuZHMgb24gdGhlIGFkbWlu > aXN0 > > > > cmF0b3Igb2YgdGhlIGJveCwgYnV0IGl0DQpkZXBlbmRzIGFsc28gaG93IHlvdSBpbnN0YWxs > IGl0 > > > > LiBJIGhhdmUgbmV2ZXIgaW5zdGFsbGVkIGEgbGludXggYm94IHdpdGgNCmZ0cCBvciB0ZWxu > ZXQg > > > > YnkgZGVmYXVsdChvcGVuc3NoKS4gQmVjYXVzZSB0aGVzZSBib3hlcyBJIHNldHVwIGFyZQ0K > dXN1 > > > > YWxseSBkbnMgb3Igd2ViIHNlcnZlcnMgeW91IGNhbiBpbnN0YWxsIHRoZW0gc28gdGhhdCB0 > aGV5 > > > > IHJ1biBpbiBhDQpjaHJvb3RlZCBlbnZpcm9ubWVudHMgd2hpY2ggdGVuZHMgdG8gYmUgYSB0 > YWQg > > > > Yml0IG1vcmUgc2VjdXJlLiBUaGlzIGlzDQpvbmUgcmVhc29uIEkgbGlrZSBuaXggb3ZlciBh > bnkg > > > > d2luIHBsYXRmb3JtIGJlY2F1c2UgSSBjYW4gaW5zdGFsbCB3aGF0IEkNCndhbnQgYW5kIGhv > dyBJ > > > > IHdhbnQgaXQsIHdoaWNoIHVzdWFsbHkgbWFrZXMgYSBuaXggYm94IG1vcmUgc2VjdXJlIHRo > YW4N > > > > CmFueSB3aW4gcGxhdGZvcm0uIFNvIHRvIG1lIGhvdyBJIHN0YXRlZCBhYm92ZSBuaXggaXMg > bW9y > > > > ZSBzZWN1cmUsIGJ1dCBvZg0KY291cnNlIHlvdSBoYXZlIHRvIGtub3cgd2hhdCB5b3UgYXJl > IGRv > > > > aW5nLiBZb3UgcHJvYmFibHkgd2lsbCBzYXkgd2VsbA0KdGhpcyBpcyBub3QgYSBiYXNlIGlu > c3Rh > > > > bGwuIEFuZCBteSByZXBseSBpcyB3ZWxsIGlmIHlvdSBkbyBhIGN1c3RvbQ0KaW5zdGFsbCB3 > aGlj > > > > aCB5b3UgY2FuIGRvIHJpZ2h0IG91dCBvZiB0aGUgYm94IHdpdGhvdXQgcmVjb21waWxpbmcg > dGhl > > > > DQprZXJuZWwgb3IgYW55dGhpbmcgZmFuY3kgbml4IHdpbGwgbWUgbW9yZSBzZWN1cmUgdGhh > biB3 > > > > aW4zMiBwbGF0Zm9ybXMNCm91dCBvZiB0aGUgYm94LiBJIHdvdWxkIGxpa2UgdG8gc2VlIGEg > Y3Vz > > > > dG9tIGluc3RhbGwgb24gd2luMzIgaW5zdGVhZCBvZg0KY2xpY2sgaGVyZSB0byBjb250aW51 > ZS4N > > > > CiANCkkgY2hhbGxlbmdlIGFueW9uZSB0byBtYWtlIGEgdmFsaWQsIG5vbi1pZGVvbG9naWNh > bCBi > > > > YXNlZA0KPiBjb21wYXJpc29uIG9mIGEgYmFzZSBXaW4zMiBhbmQgYSBiYXNlIExpdXggaW5z > dGFs > > > > bC4gIElmIExpbnV4DQo+IHdlcmUgc28gZGFtbmVkIHNlY3VyZSBpbiBpdHMgY3VycmVudCBz > dGF0 > > > > ZSwgSSB3b3VsbmQndCBzZWUgSURTDQo+IGxvZ3MgZmlsbGluZyB1cCB3aXRoIGZvbGtzIHNj > YW5u > > > > aW5nIGZvciBvYnZpb3VzIExpbnV4IHZ1bG5zLCBub3cNCj4gd291bGQgST8gIEJvdHRvbSBk > b2xs > > > > YXIgaXMsIHdpdGhvdXQgcHJvcGVyIGFkbWluaXN0cmF0aW9uLCBib3RoDQo+IFdpbjMyIGFu > ZCAq > > > > aXggc3VjayBiaWcgdGltZS4gIFdpdGggcHJvcGVyIGNhcmUgYW5kIGZlZWRpbmcsIHRoZXkN > Cj4g > > > > Y2FuIGJvdGggYmVjb21lIHJlbGVhdGl2ZWx5IHNlY3VyZS4NCj4NCg0KWW91IGFyZSBzZWVp > bmcg > > > > SURTIGxvZ3MgZmlsbGluZyB1cCBkdWUgdG8gdGhlIGZhY3QgdGhhdCBtb3N0IHNjcmlwdA0K > a2lk > > > > ZGllcyBvdXQgdGhlcmUgYXJlIGxlYXJuaW5nIG5peCBhbmQgd2hhdCB2dWxuZXJhYmlsaXRp > ZXMg > > > > YXJlDQphc3NvY2lhdGVkIHdpdGggaXQuIEFuZCBmcm9tIG15IHllYXJzIG9mIGV4cGVyaWVu > Y2Ug > > > > YW5kIGRlYWxpbmcgd2l0aA0KdGhlc2UgaW5kaXZpZHVhbHMgaXQgaXMgbW9yZSBvZiB
RE: Anyone tried setting up a Linux TFTP Server for Cisco?
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Re: Anyone tried setting up a Linux TFTP Server for Cisco?
You should spell check your emails before sending. ;) - Original Message - From: "Elijah Savage" <[EMAIL PROTECTED]> To: "W. Alan Robertson" <[EMAIL PROTECTED]>; "Brian Kimsey-Hickman" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Thursday, March 22, 2001 10:16 AM Subject: RE: Anyone tried setting up a Linux TFTP Server for Cisco? > SSBrbm93IGl0cyBvZmYgdG9waWMsIGJ1dCBJIGhhdGUgc3VjaCBuYXJyb3cgbWluZGVkIGNvbW1l > bnRzLi4uDQo+IElmIHlvdSBoYXZlIGV2ZXIgaW5zdGFsbGVkIGFueSAqaXggc3lzdGVtLCB5b3Un > ZCBiZSBkYXJuIHdlbGwNCj4gYXdhcmUgdGhhdCB0aGUgdGhpbmcgaXMgICAgdyAgaSAgZCAgZSAg > IG9wZW4uICBUaGVyZSBpcyBhbG1vc3QNCj4gbm8gc2VjdXJpdHkgdGhlcmUuICBJdCBoYXMgdG8g > YmUgYWRkZWQgYW5kIG1haW50YWluZWQuICBXaW4zMg0KPiBzeXN0ZW1zIGFyZSBzaW1pbGFyLiAg > VmVyeSB0cnVzdGluZyBhbmQgZnJpZW5kbHkgdW50aWwgdGhleSBhcmUNCj4gcHJvcGVybHkgdGFr > ZW4gY2FyZSBvZi4gIElzICppeCBpbmhlcmVudGx5IG1vcmUgc2VjdXJlPyAgbm8gd2F5Lg0KDQog > DQpObyBob2x5IHdhciBoZXJlIGVpdGhlci4gQnV0IEkgY291bGQgbm90IHJlc2lzdCB0aGUgcmVw > bHkgdG8gdGhpcw0KY29tbWVudC4gT2YgY291cnNlIGl0IGRlcGVuZHMgb24gdGhlIGFkbWluaXN0 > cmF0b3Igb2YgdGhlIGJveCwgYnV0IGl0DQpkZXBlbmRzIGFsc28gaG93IHlvdSBpbnN0YWxsIGl0 > LiBJIGhhdmUgbmV2ZXIgaW5zdGFsbGVkIGEgbGludXggYm94IHdpdGgNCmZ0cCBvciB0ZWxuZXQg > YnkgZGVmYXVsdChvcGVuc3NoKS4gQmVjYXVzZSB0aGVzZSBib3hlcyBJIHNldHVwIGFyZQ0KdXN1 > YWxseSBkbnMgb3Igd2ViIHNlcnZlcnMgeW91IGNhbiBpbnN0YWxsIHRoZW0gc28gdGhhdCB0aGV5 > IHJ1biBpbiBhDQpjaHJvb3RlZCBlbnZpcm9ubWVudHMgd2hpY2ggdGVuZHMgdG8gYmUgYSB0YWQg > Yml0IG1vcmUgc2VjdXJlLiBUaGlzIGlzDQpvbmUgcmVhc29uIEkgbGlrZSBuaXggb3ZlciBhbnkg > d2luIHBsYXRmb3JtIGJlY2F1c2UgSSBjYW4gaW5zdGFsbCB3aGF0IEkNCndhbnQgYW5kIGhvdyBJ > IHdhbnQgaXQsIHdoaWNoIHVzdWFsbHkgbWFrZXMgYSBuaXggYm94IG1vcmUgc2VjdXJlIHRoYW4N > CmFueSB3aW4gcGxhdGZvcm0uIFNvIHRvIG1lIGhvdyBJIHN0YXRlZCBhYm92ZSBuaXggaXMgbW9y > ZSBzZWN1cmUsIGJ1dCBvZg0KY291cnNlIHlvdSBoYXZlIHRvIGtub3cgd2hhdCB5b3UgYXJlIGRv > aW5nLiBZb3UgcHJvYmFibHkgd2lsbCBzYXkgd2VsbA0KdGhpcyBpcyBub3QgYSBiYXNlIGluc3Rh > bGwuIEFuZCBteSByZXBseSBpcyB3ZWxsIGlmIHlvdSBkbyBhIGN1c3RvbQ0KaW5zdGFsbCB3aGlj > aCB5b3UgY2FuIGRvIHJpZ2h0IG91dCBvZiB0aGUgYm94IHdpdGhvdXQgcmVjb21waWxpbmcgdGhl > DQprZXJuZWwgb3IgYW55dGhpbmcgZmFuY3kgbml4IHdpbGwgbWUgbW9yZSBzZWN1cmUgdGhhbiB3 > aW4zMiBwbGF0Zm9ybXMNCm91dCBvZiB0aGUgYm94LiBJIHdvdWxkIGxpa2UgdG8gc2VlIGEgY3Vz > dG9tIGluc3RhbGwgb24gd2luMzIgaW5zdGVhZCBvZg0KY2xpY2sgaGVyZSB0byBjb250aW51ZS4N > CiANCkkgY2hhbGxlbmdlIGFueW9uZSB0byBtYWtlIGEgdmFsaWQsIG5vbi1pZGVvbG9naWNhbCBi > YXNlZA0KPiBjb21wYXJpc29uIG9mIGEgYmFzZSBXaW4zMiBhbmQgYSBiYXNlIExpdXggaW5zdGFs > bC4gIElmIExpbnV4DQo+IHdlcmUgc28gZGFtbmVkIHNlY3VyZSBpbiBpdHMgY3VycmVudCBzdGF0 > ZSwgSSB3b3VsbmQndCBzZWUgSURTDQo+IGxvZ3MgZmlsbGluZyB1cCB3aXRoIGZvbGtzIHNjYW5u > aW5nIGZvciBvYnZpb3VzIExpbnV4IHZ1bG5zLCBub3cNCj4gd291bGQgST8gIEJvdHRvbSBkb2xs > YXIgaXMsIHdpdGhvdXQgcHJvcGVyIGFkbWluaXN0cmF0aW9uLCBib3RoDQo+IFdpbjMyIGFuZCAq > aXggc3VjayBiaWcgdGltZS4gIFdpdGggcHJvcGVyIGNhcmUgYW5kIGZlZWRpbmcsIHRoZXkNCj4g > Y2FuIGJvdGggYmVjb21lIHJlbGVhdGl2ZWx5IHNlY3VyZS4NCj4NCg0KWW91IGFyZSBzZWVpbmcg > SURTIGxvZ3MgZmlsbGluZyB1cCBkdWUgdG8gdGhlIGZhY3QgdGhhdCBtb3N0IHNjcmlwdA0Ka2lk > ZGllcyBvdXQgdGhlcmUgYXJlIGxlYXJuaW5nIG5peCBhbmQgd2hhdCB2dWxuZXJhYmlsaXRpZXMg > YXJlDQphc3NvY2lhdGVkIHdpdGggaXQuIEFuZCBmcm9tIG15IHllYXJzIG9mIGV4cGVyaWVuY2Ug > YW5kIGRlYWxpbmcgd2l0aA0KdGhlc2UgaW5kaXZpZHVhbHMgaXQgaXMgbW9yZSBvZiBhIGNoYWxs > ZW5nZSBmb3IgdGhlbSwgbGlrZSBhIG5vdGNoIGluDQp0aGVpciBiZWx0IGlmIHRoZXkgY29tcHJv > bWlzZSBhIG5peCBib3ggcmF0aGVyIHRoYW4gYSB3aW4zMiBwbGF0Zm9ybS4NClRoZXkgd2lsbCBi > ZSByZWFkaWx5IGFjY2VwdGVkIGJ5IHRoZWlyIHBlZXJzIGlmIHRoaXMgaXMgYWNjb21wbGlzaGVk > IGFuZA0Kc2h1bm5lZCBhd2F5IGZvciBzYXlpbmcgaGV5IEkgY3JhY2tlZCBhIG50IHNlcnZlci4g > RHVlIHRvIHRoZSBmYWN0IGFuZA0KdGhlIGxhdGVzdCBzZWN1cml0eSBzdXJ2ZXkgKEkgY2FuJ3Qg > cmVtZWJlciByaWdodCBvZmYgaGFuZCBieSB3aG9tKSB0aGF0DQpzaG93IGR1ZSB0byB0aGUgcmVj > ZW50IGluZmx1eCBvZiBNQ1NFIGNlcnRpZmllZCBpbmRpdmlkdWFscyB0aGF0IGxhY2sNCmV4cGVy > aWVuY2Ugb24gc2VjdXJpbmcgdGhlc2UgYm94ZXMgdGhhdCBnZXQgYnJva2VuIGludG8gaXRzIG5v > dCBhDQpjaGFsbGVuZ2UgdG8gdGhlbSBhbnkgbW9yZS4gSXQgc2hvd2VkIHRoZXJlIHdlcmUgYSB2 > ZXJ5IGhpZ2ggbnVtYmVyIG9mDQppbmRpdmlkdWFscyBvdXQgdGhlcmUgdGhhdCBkaWQgbm90IGV2 > ZW4gaGF2ZSB0aGUga25vd24gSUlTIHBhdGNoDQphcHBsaWVkLiBJIGFtIG5vdCBrbm9ja2luZyBN > Q1NFIGluZGl2aWR1YWxzIGhlcmUgYmVjYXVzZSBJIG15c2VsZiBhbSBhDQpNQ1NFK0kgd2UgYWxs > IGhhdmUgdG8gc3RhcnQgc29tZSB3aGVyZS4gQnV0IHRoZXJlIGFyZSBtb3JlIGluZGl2aWR1YWxz > DQpvdXQgdGhlcmUgaW4gdGhlIGluZHVzdHJ5IHdpdGggTlQgYm94ZXMgdGhhbiB0aGVyZSBhcmUg > d2l0aCBVbml4IGJveGVzDQp1bmRlciB0aGVpciBjb250cm9sLg0KSWYgeW91IGFzayBtZSB0aGlz > IGlzIHNvbWUgb2YgdGhlIHJlYXNvbiB3aHkgeW91IHNlZSBzbyBtYW55IGVudHJpZXMgaW4NCnlv > dXIgbG9nIGZvciBuaXggdnVsbmVyYWJpbGl0aWVzIHRoYW4geW91IGRvIGZvciB0aGUgd2luMzIg > cGxhdGZvcm0uDQogDQogDQogDQogDQoNCgktLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLSANCglG > cm9tOiBXLiBBbGFuIFJvYmVydHNvbi
RE: Anyone tried setting up a Linux TFTP Server for Cisco?
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Re: Anyone tried setting up a Linux TFTP Server for Cisco?
Rather than get into a Holy War about why Linux is better than Windows, I figured I'd just answer your question. in.tftpd doesn't constantly run like other processes, like a http server, as an example. in.tftpd is typically started as needed, and terminated when finished. The controlling process is inetd. The configuration file for inetd can be found at '/etc/inetd.conf'. Edit that file... Scroll down to a line that reads like this (the exact line varies by Linux distribution): #tftp dgram udp waitnobody /usr/sbin/tcpd /usr/sbin/in.tftpd /tftpboot The # means that this line is commented out. If you remove the hash mark, leaving: tftp dgram udp waitnobody /usr/sbin/tcpd /usr/sbin/in.tftpd /tftpboot you will have enabled the tftp service for the box. The "/tftpboot" reference refers to the tftp service home directory, so make certain that it exists. You can also move the location if you'd like. Just specify a different path, and ensure that it exists. Finally, you need to restart the inetd process, so that it will be aware of that fact that you want it to manage tftp services. Do a 'ps ax | grep inetd'. That will something like: yavin:/etc# ps ax | grep inet 252 ?S 0:00 /usr/sbin/inetd 369 ?SW 0:00 [rinetd] 7945 pts/1S 0:00 grep inet yavin:/etc# To restart it, type this: 'kill -HUP [pid]' In my example, 252 is the pid (Process ID). I almost forgot... One thing you also need to check is the directory pemissions of /tftpboot... Make sure that the directory is World Readable, and World Writable. Tftp does no user authentication, so you have to give global read/write access to it's directory. Also, before sending a file up to the tftp server, you will need to 'touch filename'. Generally, the service will allow you to overwrite a file that exists, but it will not allow you to create a wholly new file. Silly, isn't it? Best of luck... Alan - Original Message - From: "Brian Kimsey-Hickman" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, March 22, 2001 8:17 AM Subject: Anyone tried setting up a Linux TFTP Server for Cisco? > I was wondering if anyone had tried to set up to Linux box as a TFTP server > for Cisco configurations and images. I have tried in.tftp but don't seem to > be having a lot of luck. > > Thanks, > > Brian > > _ > FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] _ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: AW: Anyone tried setting up a Linux TFTP Server for Cisco?
sweeping broad incorrect generalizations, here we go.. Bri - Original Message - From: "Drew Simonis" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, March 22, 2001 6:00 AM Subject: Re: AW: Anyone tried setting up a Linux TFTP Server for Cisco? > Udo Konstantin wrote: > > > > Please can you more specify > > A unix system is more secure than a Wxx system. > > So you need to configure your linux box for an nsecure connect. > > > > I know its off topic, but I hate such narrow minded comments... > If you have ever installed any *ix system, you'd be darn well > aware that the thing isw i d e open. There is almost > no security there. It has to be added and maintained. Win32 > systems are similar. Very trusting and friendly until they are > properly taken care of. Is *ix inherently more secure? no way. > > I challenge anyone to make a valid, non-ideological based > comparison of a base Win32 and a base Liux install. If Linux > were so damned secure in its current state, I woulnd't see IDS > logs filling up with folks scanning for obvious Linux vulns, now > would I? Bottom dollar is, without proper administration, both > Win32 and *ix suck big time. With proper care and feeding, they > can both become releatively secure. > > _ > FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > _ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: AW: Anyone tried setting up a Linux TFTP Server for Cisco?
Drew, Bravo! Very well said. Both *nix and Winbloze systems all have services turned on by default, when it's installed. IE- ftp, nis, isa, www, tftp, terminal, etc. These services all have corresponding ports that are listening on the box. If services aren't being used their should be no good reason to leave them turned on. Poorly configured/administered servers are the reason for vulnerabilities, not because one is "just" better. My $.02. -Scott "Drew Simonis" <[EMAIL PROTECTED]> wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Udo Konstantin wrote: > > > > Please can you more specify > > A unix system is more secure than a Wxx system. > > So you need to configure your linux box for an nsecure connect. > > > > I know its off topic, but I hate such narrow minded comments... > If you have ever installed any *ix system, you'd be darn well > aware that the thing isw i d e open. There is almost > no security there. It has to be added and maintained. Win32 > systems are similar. Very trusting and friendly until they are > properly taken care of. Is *ix inherently more secure? no way. > > I challenge anyone to make a valid, non-ideological based > comparison of a base Win32 and a base Liux install. If Linux > were so damned secure in its current state, I woulnd't see IDS > logs filling up with folks scanning for obvious Linux vulns, now > would I? Bottom dollar is, without proper administration, both > Win32 and *ix suck big time. With proper care and feeding, they > can both become releatively secure. > > _ > FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] > _ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: AW: Anyone tried setting up a Linux TFTP Server for Cisco?
Udo Konstantin wrote: > > Please can you more specify > A unix system is more secure than a Wxx system. > So you need to configure your linux box for an nsecure connect. > I know its off topic, but I hate such narrow minded comments... If you have ever installed any *ix system, you'd be darn well aware that the thing isw i d e open. There is almost no security there. It has to be added and maintained. Win32 systems are similar. Very trusting and friendly until they are properly taken care of. Is *ix inherently more secure? no way. I challenge anyone to make a valid, non-ideological based comparison of a base Win32 and a base Liux install. If Linux were so damned secure in its current state, I woulnd't see IDS logs filling up with folks scanning for obvious Linux vulns, now would I? Bottom dollar is, without proper administration, both Win32 and *ix suck big time. With proper care and feeding, they can both become releatively secure. _ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
AW: Anyone tried setting up a Linux TFTP Server for Cisco?
Please can you more specify A unix system is more secure than a Wxx system. So you need to configure your linux box for an nsecure connect. Udo -Ursprungliche Nachricht- Von: Brian Kimsey-Hickman [mailto:[EMAIL PROTECTED]] Gesendet: Donnerstag, 22. Marz 2001 14:18 An: [EMAIL PROTECTED] Betreff: Anyone tried setting up a Linux TFTP Server for Cisco? I was wondering if anyone had tried to set up to Linux box as a TFTP server for Cisco configurations and images. I have tried in.tftp but don't seem to be having a lot of luck. Thanks, Brian _ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] _ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Anyone tried setting up a Linux TFTP Server for Cisco?
I was wondering if anyone had tried to set up to Linux box as a TFTP server for Cisco configurations and images. I have tried in.tftp but don't seem to be having a lot of luck. Thanks, Brian _ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
