Re: Strange Read error on Network

2001-12-19 Thread Jacob Kuntz

On Wed, Dec 19, 2001 at 01:39:13PM -0500, Thedore Knab wrote:
 
 I ran a nmap -p 515  192.168.10.*  our_printers
 
 to find the printers.
 
 This error was displayed anyone know what it means ?
 
 And where I should look to resolve it ?
 
 Strange read error from: 192.168.10.75: Protocol not available   
 Strange read error from: 192.168.10.200: Protocol not available   

Are those your printers? I've found that the network stack on printers is
often of poor quality. My Xerox DC215 sends out strange ICMP packets every
once in a while, and don't even get me started on how bad its SMB
implimentation is.


-- 
Jacob Elder
http://www.lucidpark.net/


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Re: Strange Read error on Network

2001-12-19 Thread Jacob Kuntz
On Wed, Dec 19, 2001 at 01:39:13PM -0500, Thedore Knab wrote:
 
 I ran a nmap -p 515  192.168.10.*  our_printers
 
 to find the printers.
 
 This error was displayed anyone know what it means ?
 
 And where I should look to resolve it ?
 
 Strange read error from: 192.168.10.75: Protocol not available   
 Strange read error from: 192.168.10.200: Protocol not available   

Are those your printers? I've found that the network stack on printers is
often of poor quality. My Xerox DC215 sends out strange ICMP packets every
once in a while, and don't even get me started on how bad its SMB
implimentation is.


-- 
Jacob Elder
http://www.lucidpark.net/




Re: Help... SSH CRC-32 compensation attack detector vulnerability

2001-12-02 Thread Jacob Kuntz

On Mon, Dec 03, 2001 at 09:33:07AM +1100, Jason Lim wrote:
 What is an easy way to locate binaries that are different from the ones
 provided in the original debs?

man debsums

 
 And is there any other relatively easier way of cleaning up a system that
 has had a rootkit installed?

apt-get install chkrootkit

Never really looked into how reliable that is, but it's there. I'd like to
see apt-get support some sort of 'reinstall' command. 


-- 
Jacob Kuntz
http://www.lucidpark.net/


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Re: Help... SSH CRC-32 compensation attack detector vulnerability

2001-12-02 Thread Jacob Kuntz
On Mon, Dec 03, 2001 at 09:33:07AM +1100, Jason Lim wrote:
 What is an easy way to locate binaries that are different from the ones
 provided in the original debs?

man debsums

 
 And is there any other relatively easier way of cleaning up a system that
 has had a rootkit installed?

apt-get install chkrootkit

Never really looked into how reliable that is, but it's there. I'd like to
see apt-get support some sort of 'reinstall' command. 


-- 
Jacob Kuntz
http://www.lucidpark.net/




Re: Kernel 2.4.8 + Portmasters

2001-08-31 Thread Jacob Kuntz

On Fri, Aug 31, 2001 at 11:06:58PM +1000, Doug Bean wrote:
 I have had a weird thing happen to me with the new kernel.
 I set up a server with the new kernel and have found it will not telnet into
 any of my Portmasters. I have had another ISP I know that has Cisco Access
 Servers and Portmasters and I can Telnet into anything except Portmasters.
 eg: any server [Linux] any Cisco router/access server.
 I can ping the portmasters. I can't nmap any Portmasters but it works OK on
 everything else, anywhere on any network.

The only kernel option I know of that might interfere with connections to
some hosts is ECN. Try disabling it.

-- 
Jacob Kuntz
http://www.lucidpark.net/


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