Korean
<< Back
VID 29154
Severity 30
Port 22
Protocol TCP
Class CISCO
Detailed Description The CISCO IOS system does not use tcp keepalive service. tcp keepalives which is TCP/IP's timeout function should be used to kill sessions where the remote side has died. Because stale connections use resources and could potentially be hijacked to gain illegitimate access.

* Platforms Affected:
CISCO IOS
Recommendation Use tcp-keepalive-in service as follows :
Router# config terminal
Router(config) service tcp-keepalives-in
Related URL (CVE)
Related URL (SecurityFocus)
Related URL (ISS)