jjkarag@jjkarag-desktop:~$ ping 192.168.1.1 -c 5
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
ping: sendmsg: Operation not permitted
--- 192.168.1.1 ping statistics ---
5 packets transmitted, 0 received, 100% packet loss, time 3999ms
jjkarag@jjkarag-desktop:~$ ping
www.google.com -c 5
ping: unknown host
www.google.comjjkarag@jjkarag-desktop:~$
jkarag@jjkarag-desktop:~$ sudo netstat -atpn
[sudo] password for jjkarag:
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 5974/mysqld
tcp 0 0 0.0.0.0:6549 0.0.0.0:* LISTEN 6605/mythbackend
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 6130/cupsd
jjkarag@jjkarag-desktop:~$ sudo iptables -L
Chain INPUT (policy DROP)
target prot opt source destination
ACCEPT all -- anywhere anywhere
LOG all -- 127.0.0.0/8 anywhere LOG level warning
DROP all -- 127.0.0.0/8 anywhere
DROP all -- anywhere 224.0.0.1
LOG all -- anywhere anywhere LOG level warning
DROP all -- anywhere anywhere
Chain FORWARD (policy DROP)
target prot opt source destination
DROP all -- anywhere 224.0.0.1
LOG all -- anywhere anywhere LOG level warning
DROP all -- anywhere anywhere
Chain OUTPUT (policy DROP)
target prot opt source destination
ACCEPT all -- anywhere anywhere
DROP all -- anywhere 224.0.0.1
LOG all -- anywhere anywhere LOG level warning
DROP all -- anywhere anywhere
jjkarag@jjkarag-desktop:~$
1 Γνώσεις Linux: Πρώτα βήματα ┃ Προγραμματισμού: Καθόλου ┃ Αγγλικών: Ικανοποιητικό
2 Ubuntu 12.04 raring 3.8.0-32-generic 32bit (el_GR.UTF-8, Unity ubuntu), Ubuntu 3.8.0-32-generic, Windows 7
3 Intel Core i7 CPU Q 720 1.60GHz ‖ RAM 4024 MiB ‖ CLEVO CO. W860CU
4 nVidia G92M [GeForce GTX 260M] [10de:0618] {nvidia}
5 wlan0: Realtek RTL8187SE Wireless [10ec:8199] (rev 22) ⋮ eth0: Realtek RTL8111/8168 PCI Express Gigabit Ethernet controller [10ec:8168] (rev 03)