Securing the VOS Telnet Daemon
Securing the VOS Telnet Daemon
Securing the VOS Telnet Daemon
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Selective listening with –local_ip<br />
� Tells telnetd to only listen on a specific interface for<br />
<strong>the</strong> indicated port<br />
� The following line tells telnetd to only listen on <strong>the</strong><br />
maintenance network interface for connections to <strong>the</strong><br />
rsn_incoming service (port 85)<br />
rsn_incoming window_term "keepalive nodelay " "RSN Incoming Service"<br />
+ 0 1 rsn_in.m17 "-local_ip 10.10.1.1“<br />
netstat –numeric –all_sockets<br />
. . . . .<br />
tcp 0 0 10.10.1.1:85 *:* LISTEN<br />
. . . . .<br />
� Scans from networks o<strong>the</strong>r than <strong>the</strong> maintenance<br />
network will not see anything listening on port 85<br />
10
Change language