Friend,
Recently my network Admin has blocked Facebook access to all
our Desktop-PC.
But fortunately I have access of one of Linux system where
then haven’t implemented firewall rule.
So I MASQUERADE my outgoing traffic from my PC to that Linux
System to get Facebook Access. J
It’s Very easy & if you want you could also test this on
your Lab.
Example: - My PC (eth0:
172.24.40.110)
Linux PC [eth0: 172.24.40.120 (Lan Interface) eth1:
10.10.20.1 (Wan Interface)]
Step 1) On My PC (eth0: 172.24.40.110) set “Default Gatway to
Linux machine(eth0: 172.24.40.120)
Step 2) On Linux machine set IP Forwarding
[root@station-y ]#vi /etc/sysctl.conf
net.ipv4.ip_forward = 1
Step 3) Apply NAT rule to MASQUERADE all traffic to eth1 (Wan
Interface)
[root@station-y ]# iptables -t nat -I POSTROUTING -s
172.24.40.0/24 -o eth1 -j MASQUERADE
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