Re: Cracking attempt

2003-02-24 Thread Tim Spriggs
On Mon, 24 Feb 2003, Russell Coker wrote: On Mon, 24 Feb 2003 07:38, Jason Lim wrote: Usually if we get such a report, we'll inform the client of their actions. Most times that discourages them from doing it. In any case it's a service to your client - who is the one paying you. It

Re: Cracking attempt

2003-02-24 Thread Russell Coker
On Mon, 24 Feb 2003 10:59, Tim Spriggs wrote: That's the only thing to do, if someone is excessively scanning you then you block their IP addresses for a while. Of course you can't be too trigger happy with this or you'll end up with half the Internet in your firewall rule set... In the

Re: Cracking attempt

2003-02-24 Thread Mark Lijftogt
It's a grey area ihmo. A portscan is just a nock on a appartment door, and just waiting whom is going to openup. Besides that, it's nothing more. And you can see this as annoying, nocking on someones door and then running like hell, but.. then again, no harm is done. In comparisin with a mail

Re: Cracking attempt

2003-02-24 Thread Emile van Bergen
Hi, On Mon, Feb 24, 2003 at 06:08:43AM -0700, Tim Spriggs wrote: On Mon, 24 Feb 2003, Russell Coker wrote: BTW As a rule of thumb, if you can crash it then you can probably exploit it, I hope that server isn't running as root. I realize that too. Unfortunately, Universities (at least

Re: Correct choise of servers

2003-02-24 Thread Uwe A. P. Wuerdinger
Russell Coker schrieb: On Thu, 20 Feb 2003 23:20, echelon wrote: Im trying to get some new servers, but Im not quiet sure that Im buying the right hardware. It appears from the web page that you are buying for price, this is risky as there are many features of designed server machines that

Ciao Stella

2003-02-24 Thread Marianna
un bacio -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]

Re: Cracking attempt

2003-02-24 Thread Tim Spriggs
Good point. The only other problem is that our department is looking for ways to cut back and so asking for _anything_ to my immediate superiors seems risky in their eyes. Certainly there are people on their level in other departments who wholeheartedly agree with me and even the people right

Re: Mail server

2003-02-24 Thread Lauchlin Wilkinson
We have one machine that is currently handleing about that many users. It runs Debian 3.0 stable, sendmail, spamassassin (if anyone has a better spam fillter let me know), imap and pop, and the load average is rarely above 0.7. Most of the load comes from spamassassin. Which seems to be normal.

Re: Mail server

2003-02-24 Thread Amaya
Lauchlin Wilkinson dijo: As I said, the most cpu hungry app is the spam filtering. Try Amavis on top of that! ;-) -- .''`. Girl, you gotta change your crazy ways, you hear me? : :' :Crazy by Aerosmith `. `'Proudly running Debian

Re: Cracking attempt

2003-02-24 Thread Craig Sanders
On Mon, Feb 24, 2003 at 06:08:43AM -0700, Tim Spriggs wrote: What OS are you using? Presumably if it was Linux you would have solved the problem with iptables or ipchains long ago... Solaris 9 :( It does have some firewalling software but caused some major conflicts at one point with no

RE: Cracking attempt

2003-02-24 Thread Stefaan Teerlinck
There are also cheap ($100) NAT routers / firewalls available like D-Link or Netgear if you don't need a speed 10Mbps You'll have to spend $100, but it won't consume you time, it takes a lot less space, and it will consume a lot less electricity. -Oorspronkelijk bericht- Van: Craig

Re: Mail server

2003-02-24 Thread Rich Puhek
Russell Coker wrote: I have been considering modifying the Qmail and maildrop code to not use fsync() etc to allow more users per server (yes I know about the reliability issues, but there are lots of more important things to worry about). Are you using mboxes under /var/spool/mail, or are

Mail server

2003-02-24 Thread Asher Densmore-Lynn
Can anyone give me any figures on how much machine I need to serve as a mail server for N users? I appreciate that every server is unique, but I can't judge these things for the life of me, and if I had baseline numbers I could modify them to suit. \: I'm looking at a thousand users, but

Re: Mail server

2003-02-24 Thread Gabriel Granger
If its of any help, at my last firm, we had 1000 email domains all using different setup's their were 900 pop accounts checking their mail every 5 - 10 mins our set up was Sendmail 8.11 Debian 3.0 kernel 2.4.18 intel 550Mhz 256Mb Ram 40Gb Hd Machine load never above 0.7 Asher Densmore-Lynn

Re: Mail server

2003-02-24 Thread Russell Coker
On Mon, 24 Feb 2003 17:27, Asher Densmore-Lynn wrote: Can anyone give me any figures on how much machine I need to serve as a mail server for N users? I appreciate that every server is unique, but I can't judge these things for the life of me, and if I had baseline numbers I could modify them

Re: Mail server

2003-02-24 Thread Russell Coker
On Mon, 24 Feb 2003 18:34, Colin Ellis wrote: Email doesn't really need much processing, but does take surprisingly large amounts of disk space. Obviously such things differ depending on exactly who is using the service and what they are doing. But my experience is that with modern disks a

Re: Mail server

2003-02-24 Thread Russell Coker
On Mon, 24 Feb 2003 20:59, Rich Puhek wrote: Russell Coker wrote: I have been considering modifying the Qmail and maildrop code to not use fsync() etc to allow more users per server (yes I know about the reliability issues, but there are lots of more important things to worry about).

Mail server

2003-02-24 Thread Asher Densmore-Lynn
That's exactly what I needed to hear. I appreciate the prompt replies. Thank you. -- Asher Densmore-Lynn [EMAIL PROTECTED]

Re: Mail server

2003-02-24 Thread Lauchlin Wilkinson
We have one machine that is currently handleing about that many users. It runs Debian 3.0 stable, sendmail, spamassassin (if anyone has a better spam fillter let me know), imap and pop, and the load average is rarely above 0.7. Most of the load comes from spamassassin. Which seems to be normal.

Re: Mail server

2003-02-24 Thread Amaya
Lauchlin Wilkinson dijo: As I said, the most cpu hungry app is the spam filtering. Try Amavis on top of that! ;-) -- .''`. Girl, you gotta change your crazy ways, you hear me? : :' :Crazy by Aerosmith `. `'Proudly running Debian