Alwanza Home Extraordin-Air Team Final Project Linux Course Home
Project #11 (first part)
Turn off all network services except: telnet, ssh, ftp, www, smtp
NOTE: other services were left running (or started) as needed by othe projects
  1. Use "netstat -uta" to find out what is running
    1. need to start telnet and ftp for this project item
      change "disable" line in /etc/xinetd.d/telnet to no
      change "disable" line in /etc/xinetd.d/wu-ftpd to no
    2. restart inet "service xinetd restart"
  2. Assume www will be started as part of the web page item
  3. Assume appropriate NIS daemons will be started as part of the NIS item
  4. Use "netstat -uta" to confirm that the items listed above were started
  5. Modify /etc/sysconfig/ipchains to add:
    -A input -s 192.104.59.45 -d 192.104.59.48 23 -p tcp -y -j ACCEPT
    -A input -s 192.104.59.46 -d 192.104.59.48 23 -p tcp -y -j ACCEPT
    -A input -s 192.104.59.47 -d 192.104.59.48 23 -p tcp -y -j ACCEPT
    -A input -s 192.104.59.49 -d 192.104.59.48 23 -p tcp -y -j ACCEPT
    -A input -s 192.104.59.45 -d 192.104.59.48 21 -p tcp -y -j ACCEPT
    -A input -s 192.104.59.46 -d 192.104.59.48 21 -p tcp -y -j ACCEPT
    -A input -s 192.104.59.47 -d 192.104.59.48 21 -p tcp -y -j ACCEPT
    -A input -s 192.104.59.49 -d 192.104.59.48 21 -p tcp -y -j ACCEPT