Hello.

1. I am using rkhunter with CentOS 4.4. It used to work just fine, but 
recently I have been encountering problems. First, when I run:

rkhunter --update

I get "Mirror outdated" error messages. At this point in time, I am no 
longer getting those error messages (otherwise I would cut-and-paste 
them into this email), but I have noticed that it is only using the 
mirror "http://rkhunter.sourceforge.net";, even though it states it 
rotated the "Mirrorfile".

2. When I run rkhunter, it is stating that the '/bin/kill' binary is 
bad. At first, I thought I had an owned server, but, upon scanning more 
CentOS 4.4 servers I am getting the same results with about 15 different 
servers. Is this just a problem with rkhunter not supporting CentOS 4.4 
properly?

3. Is it possible to run rkhunter so that any external binaries or 
libraries it accesses in order to perform it's job (such as sed, awk, 
cut, tail, strings, cat, ls ... ) are from a trusted source? With 
chkrootkit, you can provide it with a different path to search for those 
binaries. Otherwise, it's possible for an attacker to compromise a those 
binaries in such a way so that rkhunter always reports a clean server 
even though it has been compromised.

Thanks.


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