Riddle [7:41491]

2002-04-15 Thread Dimitris Vassilopoulos
Team, I was wondering Is it possible to make a router respond to an access-list blocking, using a custom-made user defined phrase? For example, if we deny telnet from a host we need to reply to him "Access-list blocks incoming telnet..." ? Message Posted at: http://www.groups

Re: Riddle [7:41491]

2002-04-15 Thread Chuck
Not knowing the specific answer, I will say that in terms of good security practice, it is NOT a good idea to provide specific or detailed information as to why something fails. Detailed responses can provide help to the bad people as they try to do bad things to your network. Chuck ""Dimitr

Re: Riddle [7:41491]

2002-04-15 Thread [EMAIL PROTECTED]
silopoulos" cc: Sent by: Fax to: [EMAIL PROTECTED] Subject:

Re: Riddle [7:41491]

2002-04-15 Thread Dimitris Vassilopoulos
I agree with you Chuck. It's very unsecure indeed... However, consider it as one of the certifications' riddle... Too theoretic, but must be solved... It has a solution, and it is ROUTER oriented. No IDS or CSPM included... In case you come up with something let me know... Thanx Dvass Messag

Re: Riddle [7:41491]

2002-04-16 Thread Marc Thach Xuan Ky
The last time I looked, a Cisco router would send an ICMP "administratively unreachable" message when an access list blocked a packet. What the source host does with that is not up to the router. Marc Dimitris Vassilopoulos wrote: > > Team, > > I was wondering > Is it possible to make a ro