Re: Someone scanned my ssh daemon

2003-06-17 Thread Mark Devin
On Mon, 2003-06-16 at 23:32, Tomasz Papszun wrote: On Mon, 16 Jun 2003 at 14:26:33 +0200, Stefan Neufeind wrote: On 16 Jun 2003 at 7:00, Halil Demirezen wrote: To be brief, I don't usually come accross that there is an exploit for only effective to debian boxes. Plus, There are lots of

Re: Someone scanned my ssh daemon

2003-06-17 Thread Phillip Hofmeister
On Tue, 17 Jun 2003 at 11:56:36PM +1000, Mark Devin wrote: I was going to say exactly this earlier in the thread. I put this in My Apache config quite some time ago when I realised I could. There should be something similar in the sshd_config in my opinion. File a wishlist bug with the ssh

SSH version identification (was Re: Someone scanned my ssh daemon)

2003-06-17 Thread Ulrich Scholler
Hi, On Tue Jun 17, 2003 at 10:44:01 -0400, Phillip Hofmeister wrote: On Tue, 17 Jun 2003 at 11:56:36PM +1000, Mark Devin wrote: I was going to say exactly this earlier in the thread. I put this in My Apache config quite some time ago when I realised I could. There should be something

Re: Someone scanned my ssh daemon

2003-06-17 Thread Mark Devin
On Mon, 2003-06-16 at 23:32, Tomasz Papszun wrote: On Mon, 16 Jun 2003 at 14:26:33 +0200, Stefan Neufeind wrote: On 16 Jun 2003 at 7:00, Halil Demirezen wrote: To be brief, I don't usually come accross that there is an exploit for only effective to debian boxes. Plus, There are lots of

Re: Someone scanned my ssh daemon

2003-06-17 Thread Phillip Hofmeister
On Tue, 17 Jun 2003 at 11:56:36PM +1000, Mark Devin wrote: I was going to say exactly this earlier in the thread. I put this in My Apache config quite some time ago when I realised I could. There should be something similar in the sshd_config in my opinion. File a wishlist bug with the ssh

SSH version identification (was Re: Someone scanned my ssh daemon)

2003-06-17 Thread Ulrich Scholler
Hi, On Tue Jun 17, 2003 at 10:44:01 -0400, Phillip Hofmeister wrote: On Tue, 17 Jun 2003 at 11:56:36PM +1000, Mark Devin wrote: I was going to say exactly this earlier in the thread. I put this in My Apache config quite some time ago when I realised I could. There should be something

Re: Someone scanned my ssh daemon

2003-06-17 Thread Ted Cabeen
Mark Devin [EMAIL PROTECTED] writes: On Mon, 2003-06-16 at 23:32, Tomasz Papszun wrote: ServerTokens ProductOnly ServerSignature Off I was going to say exactly this earlier in the thread. I put this in My Apache config quite some time ago when I realised I could. There should be

Re: Someone scanned my ssh daemon

2003-06-16 Thread Nick
maybe someone's using scanssh ? apt-cache show scanssh - Original Message - From: Halil Demirezen [EMAIL PROTECTED] To: TiM [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Monday, June 16, 2003 11:00 AM Subject: Re: Someone scanned my ssh daemon -- To UNSUBSCRIBE, email to [EMAIL

Re: Someone scanned my ssh daemon

2003-06-16 Thread Tomasz Papszun
On Mon, 16 Jun 2003 at 14:26:33 +0200, Stefan Neufeind wrote: On 16 Jun 2003 at 7:00, Halil Demirezen wrote: To be brief, I don't usually come accross that there is an exploit for only effective to debian boxes. Plus, There are lots of ways to learn what distribution you are running on

Re: Someone scanned my ssh daemon

2003-06-16 Thread David B Harris
On Mon, 16 Jun 2003 15:20:56 +1200 (NZST) TiM [EMAIL PROTECTED] wrote: But if the kiddies only have an exploit that works only on Debian woody, they're going to know to target my box. Make them work for their information :) The likelyhood of them even attempting to get that information is tiny

Re: Someone scanned my ssh daemon

2003-06-16 Thread Halil Demirezen
My Debian box: Connection closed by foreign host. [EMAIL PROTECTED]:~ telnet xx.com 22 Trying 203.167.224.... Connected to xx.com. Escape character is '^]'. SSH-2.0-OpenSSH_3.4p1 Debian 1:3.4p1-1 To be brief, I don't usually come accross that there is an exploit for only

Re: Someone scanned my ssh daemon

2003-06-16 Thread Nick
maybe someone's using scanssh ? apt-cache show scanssh - Original Message - From: Halil Demirezen [EMAIL PROTECTED] To: TiM [EMAIL PROTECTED] Cc: debian-security@lists.debian.org Sent: Monday, June 16, 2003 11:00 AM Subject: Re: Someone scanned my ssh daemon

Re: Someone scanned my ssh daemon

2003-06-16 Thread Stefan Neufeind
On 16 Jun 2003 at 7:00, Halil Demirezen wrote: My Debian box: Connection closed by foreign host. [EMAIL PROTECTED]:~ telnet xx.com 22 Trying 203.167.224.... Connected to xx.com. Escape character is '^]'. SSH-2.0-OpenSSH_3.4p1 Debian 1:3.4p1-1 To be brief, I don't

Re: Someone scanned my ssh daemon

2003-06-16 Thread Tomasz Papszun
On Mon, 16 Jun 2003 at 14:26:33 +0200, Stefan Neufeind wrote: On 16 Jun 2003 at 7:00, Halil Demirezen wrote: To be brief, I don't usually come accross that there is an exploit for only effective to debian boxes. Plus, There are lots of ways to learn what distribution you are running on

Someone scanned my ssh daemon

2003-06-15 Thread Mark Devin
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 It looks as though someone is trying to crack my box through ssh. This is what logcheck emailed me: - -- snip -- Jun 16 04:36:02 jack sshd[20026]: Connection from 212.202.204.149 port 2323 Jun 16 04:36:03 jack sshd[20027]: Connection from

Re: Someone scanned my ssh daemon

2003-06-15 Thread Jeffrey L. Taylor
Quoting Mark Devin [EMAIL PROTECTED]: Hash: SHA1 It looks as though someone is trying to crack my box through ssh. This is what logcheck emailed me: - -- snip -- Jun 16 04:36:02 jack sshd[20026]: Connection from 212.202.204.149 port 2323 Jun 16 04:36:03 jack sshd[20027]: Connection from

Re: Someone scanned my ssh daemon

2003-06-15 Thread Mark Devin
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Mark Devin wrote: | It looks as though someone is trying to crack my box through ssh. OK, now I realise that it is an ssh scanner. See: http://www.monkey.org/~provos/scanssh/ Why is it that the Debian version of sshd gives out any information about its

Re: Someone scanned my ssh daemon

2003-06-15 Thread Alain Tesio
On Mon, 16 Jun 2003 09:05:20 +1000 Mark Devin [EMAIL PROTECTED] wrote: Jun 16 04:36:02 jack sshd[20026]: Connection from 212.202.204.149 port 2323 Jun 16 04:36:03 jack sshd[20027]: Connection from 212.202.204.149 port 2810 Jun 16 04:36:04 jack sshd[20027]: scanned from 212.202.204.149 with

Re: Someone scanned my ssh daemon

2003-06-15 Thread Adam Lydick
I really wouldn't worry about your verison number being leaked. If an attacker wants to crack your machine, they are just going to try running an exploit against it. Why bother testing the version number when it (often) takes less time to just try the attack? I suppose one reason to hide the

Re: Someone scanned my ssh daemon

2003-06-15 Thread Noah Meyerhans
On Mon, Jun 16, 2003 at 10:08:41AM +1000, Mark Devin wrote: So they know that I am running debian and what version of ssh I use! I know that security through obscurity is no security, but I still don't want to help any attackers. Anyone else have thoughts on this? It is necessary so that the

Re: Someone scanned my ssh daemon

2003-06-15 Thread Halil Demirezen
is what logcheck emailed me: - -- snip -- Jun 16 04:36:02 jack sshd[20026]: Connection from 212.202.204.149 port 2323 Jun 16 04:36:03 jack sshd[20027]: Connection from 212.202.204.149 port 2810 Jun 16 04:36:04 jack sshd[20027]: scanned from 212.202.204.149 with SSH-1.0-SSH_Version_Mapper.

Re: Someone scanned my ssh daemon

2003-06-15 Thread TiM
I don't like the fact it has to give away I'm running Debian. For example: My Slackware box: [EMAIL PROTECTED]:~ telnet x.tsnz.net 22 Trying 203.97.131.xxx... Connected to x.tsnz.net. Escape character is '^]'. SSH-1.99-OpenSSH_3.6.1p1 My Debian box: Connection closed by foreign host.

Re: Someone scanned my ssh daemon

2003-06-15 Thread David B Harris
On Mon, 16 Jun 2003 15:20:56 +1200 (NZST) TiM [EMAIL PROTECTED] wrote: But if the kiddies only have an exploit that works only on Debian woody, they're going to know to target my box. Make them work for their information :) The likelyhood of them even attempting to get that information is tiny

Re: Someone scanned my ssh daemon

2003-06-15 Thread Halil Demirezen
My Debian box: Connection closed by foreign host. [EMAIL PROTECTED]:~ telnet xx.com 22 Trying 203.167.224.... Connected to xx.com. Escape character is '^]'. SSH-2.0-OpenSSH_3.4p1 Debian 1:3.4p1-1 To be brief, I don't usually come accross that there is an exploit for only

Someone scanned my ssh daemon

2003-06-15 Thread Mark Devin
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 It looks as though someone is trying to crack my box through ssh. This is what logcheck emailed me: - -- snip -- Jun 16 04:36:02 jack sshd[20026]: Connection from 212.202.204.149 port 2323 Jun 16 04:36:03 jack sshd[20027]: Connection from

Re: Someone scanned my ssh daemon

2003-06-15 Thread Jeffrey L. Taylor
Quoting Mark Devin [EMAIL PROTECTED]: Hash: SHA1 It looks as though someone is trying to crack my box through ssh. This is what logcheck emailed me: - -- snip -- Jun 16 04:36:02 jack sshd[20026]: Connection from 212.202.204.149 port 2323 Jun 16 04:36:03 jack sshd[20027]: Connection from

Re: Someone scanned my ssh daemon

2003-06-15 Thread Mark Devin
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Mark Devin wrote: | It looks as though someone is trying to crack my box through ssh. OK, now I realise that it is an ssh scanner. See: http://www.monkey.org/~provos/scanssh/ Why is it that the Debian version of sshd gives out any information about

Re: Someone scanned my ssh daemon

2003-06-15 Thread Alain Tesio
On Mon, 16 Jun 2003 09:05:20 +1000 Mark Devin [EMAIL PROTECTED] wrote: Jun 16 04:36:02 jack sshd[20026]: Connection from 212.202.204.149 port 2323 Jun 16 04:36:03 jack sshd[20027]: Connection from 212.202.204.149 port 2810 Jun 16 04:36:04 jack sshd[20027]: scanned from 212.202.204.149 with

Re: Someone scanned my ssh daemon

2003-06-15 Thread Adam Lydick
I really wouldn't worry about your verison number being leaked. If an attacker wants to crack your machine, they are just going to try running an exploit against it. Why bother testing the version number when it (often) takes less time to just try the attack? I suppose one reason to hide the

Re: Someone scanned my ssh daemon

2003-06-15 Thread Noah Meyerhans
On Mon, Jun 16, 2003 at 10:08:41AM +1000, Mark Devin wrote: So they know that I am running debian and what version of ssh I use! I know that security through obscurity is no security, but I still don't want to help any attackers. Anyone else have thoughts on this? It is necessary so that the

Re: Someone scanned my ssh daemon

2003-06-15 Thread Halil Demirezen
is what logcheck emailed me: - -- snip -- Jun 16 04:36:02 jack sshd[20026]: Connection from 212.202.204.149 port 2323 Jun 16 04:36:03 jack sshd[20027]: Connection from 212.202.204.149 port 2810 Jun 16 04:36:04 jack sshd[20027]: scanned from 212.202.204.149 with SSH-1.0-SSH_Version_Mapper.

Re: Someone scanned my ssh daemon

2003-06-15 Thread TiM
I don't like the fact it has to give away I'm running Debian. For example: My Slackware box: [EMAIL PROTECTED]:~ telnet x.tsnz.net 22 Trying 203.97.131.xxx... Connected to x.tsnz.net. Escape character is '^]'. SSH-1.99-OpenSSH_3.6.1p1 My Debian box: Connection closed by foreign host.