Re: What is this Very Stupid DOS Attack Script?

2005-04-06 Thread Godwin Stewart
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Wed, 6 Apr 2005 11:28:11 -0500, Dan Rue <[EMAIL PROTECTED]> wrote: > In my experience, these are just script kiddies goofing around. The > only useful thing to do is to report them to abuse@ their ISP - this can > actually be effective in some cas

Re: What is this Very Stupid DOS Attack Script?

2005-04-06 Thread John Davis
Martin McCormick wrote: We have been noticing flurries of sshd reject messages in which some system out there in the hinterlands hits us with a flood of ssh login attempts. An example: Other than spewing lots of entries in to syslog, what is the purpose of the attack? Are they jus

Re: What is this Very Stupid DOS Attack Script?

2005-04-06 Thread Devon H. O'Dell
On Wed, Apr 06, 2005 at 10:49:08AM -0500, Martin McCormick wrote: > We have been noticing flurries of sshd reject messages in > which some system out there in the hinterlands hits us with a flood of > ssh login attempts. An example: [snip] If you search google, you'll see many recent simil

Re: What is this Very Stupid DOS Attack Script?

2005-04-06 Thread Dan Rue
On Wed, Apr 06, 2005 at 10:49:08AM -0500, Martin McCormick wrote: > We have been noticing flurries of sshd reject messages in > which some system out there in the hinterlands hits us with a flood of > ssh login attempts. An example: > > Apr 6 05:49:42 dc sshd[12406]: Failed password for il

Re: What is this Very Stupid DOS Attack Script?

2005-04-06 Thread Marian Hettwer
On Mi, 6.04.2005, 17:57, Willem Jan Withagen sagte: > I've build some swatch-rules that after two of these hits, I dump > the host into ifpw-deny space. > Aye. I thought about writing a script, doing the same like yours, too. Could you post this script somewhere, so that I could add some functional

Re: What is this Very Stupid DOS Attack Script?

2005-04-06 Thread Martin McCormick
Luiz Eduardo Roncato Cordeiro writes: >Probably, what you have seen is a force brute attack against your >sshd. Unfortunately, this kind of attack still works. My thanks to all who have responded. I am glad to know this isn't more sinister than it appears to be. It did make me get religi

Re: What is this Very Stupid DOS Attack Script?

2005-04-06 Thread Mike Tancsa
At 11:49 AM 06/04/2005, Martin McCormick wrote: We have been noticing flurries of sshd reject messages in which some system out there in the hinterlands hits us with a flood of ssh login attempts. An example: Apr 6 05:41:51 dc sshd[88763]: Did not receive identification string fro

Re: What is this Very Stupid DOS Attack Script?

2005-04-06 Thread Willem Jan Withagen
Martin McCormick wrote: Apr 6 05:49:42 dc sshd[12422]: input_userauth_request: illegal user chuck You get the idea. This goes on for 3 or 4 minutes and then just stops for now. I can almost promise that later, another attack will start from some other IP address and blaze away fo

Re: What is this Very Stupid DOS Attack Script?

2005-04-06 Thread Luiz Eduardo Roncato Cordeiro
Hi, Probably, what you have seen is a force brute attack against your sshd. Unfortunately, this kind of attack still works. Regards, Cordeiro On Wednesday April 6 2005 12:49, Martin McCormick > wrote: > We have been noticing flurries of sshd reject messages in > which some system out ther

What is this Very Stupid DOS Attack Script?

2005-04-06 Thread Martin McCormick
We have been noticing flurries of sshd reject messages in which some system out there in the hinterlands hits us with a flood of ssh login attempts. An example: Apr 6 05:41:51 dc sshd[88763]: Did not receive identification string from 67.19.58.170 Apr 6 05:49:42 dc sshd[12389]:

Re: FreeBSD Security Advisory FreeBSD-SA-05:02.sendfile

2005-04-06 Thread Marc Olzheim
On Tue, Apr 05, 2005 at 10:14:16AM +0200, Uwe Doering wrote: > I can't tell why 'ovp' was introduced in the first place. Might have > historical reasons. But that's how the code currently works. In the > MAIN branch as well, according to CVS. So I'd suggest to replace 'vp' > with 'ovp' in th