Displaying 1 result from an estimated 1 matches for "blacklist_max_ip".
2008 Jun 12
2
Request for added functionality - tracking and blocking attacks
...4. Additionally, an entry would be placed in an sshd data structure to
retain the IP address and the time of the last attempt from this IP
address. Normal logins would of course not be placed on this list.
5. The number of blacklisted IP addresses maintained by sshd would also
be configurable.
BLACKLIST_MAX_IP 10000
Allowing 4 bytes for the IP address plus 4 bytes for the time stamp, a
list of 10000 forbidden machines could be stored in only 80000 bytes.
An attacker might be able to fill the list, but only if they had
access to a network of 10000 machines.
6. After a configurable time
BLACKLIST_EXPIRE...