Crackers?

2002-05-16 Thread John Summerfield
Is this being broken into? If so, what do I look for? This is one line. There were quite a few. May 6 03:22:36 gateway SERVER[5344]: Dispatch_input: bad request line 'BBàóÿ¿áóÿ¿âóÿ¿ãóÿ¿XX%.160u%300$n%.17u%301$nsecurity%302$n%.192u% 303$n\220\220\220\220\220\220\220\220\220\220\2

Re: Crackers?

2002-05-16 Thread Bill Nottingham
John Summerfield ([EMAIL PROTECTED]) said: > Is this being broken into? If so, what do I look for? > This is one line. There were quite a few. > May 6 03:22:36 gateway SERVER[5344]: Dispatch_input: bad request line This is someone trying to break into LPRng, as I recall - I believe if you get

Re: Crackers?

2002-05-16 Thread John Summerfield
> John Summerfield ([EMAIL PROTECTED]) said: > > Is this being broken into? If so, what do I look for? > > This is one line. There were quite a few. > > May 6 03:22:36 gateway SERVER[5344]: Dispatch_input: bad request line > > This is someone trying to break into LPRng, as I recall - I believe

RE: Crackers?

2002-05-16 Thread Paul Hamm
Just an FYI. You will find that your site(s) is(are) being attacked constantly. This is not due to any misconfiguration on your part but just a fact of life when you connect a PC to the internet. One of the best things you can do is run security checks on your systems. Take a look at nessus. Y

Re: Crackers?

2002-05-16 Thread John Summerfield
> Just an FYI. You will find that your site(s) is(are) being attacked > constantly. This is not due to any misconfiguration on your part but just a Thanks for your reply. The immediate concern is whether there is any residual damage now. Longer term we're considering another box (I have it her

Re: Crackers?

2002-05-16 Thread Lars Nordin
What program/process corresponds to the "SERVERS[5344]" log? To protect portmap (and other daemon), I would make sure that your firewall blocks any unwanted traffc for services that you don't want available to the 'net. As extra protection - firewalls can become misconfigured; I found this out

Re: Crackers?

2002-05-16 Thread Kevin McConnell
--- Lars Nordin <[EMAIL PROTECTED]> wrote: > Of course the best protection is to turn off and may > be uninstall servers > (services) that you won't be using. And for an extra, extra layer of protection, if you have the resources available, you should make each device on your network and "appli

Re: Crackers?

2002-05-16 Thread Riku Meskanen
John, On Thu, 16 May 2002, John Summerfield wrote: > > Is this being broken into? If so, what do I look for? You got already quite good answers, but just in case you would like to check more the system you can find good information from SANS site and Dave Dittrich's forensic page http://rr.sans

Re: Crackers?

2002-05-16 Thread John Summerfield
> What program/process corresponds to the "SERVERS[5344]" log? That I don't know. This is not my system; I was called in after the event (well after) to discover and repair. Securing the system will likely be done with another system between this and the world, and the additional system wi