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05.19.2008 at 04:24AM PDT, ID: 23413291
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Whether it is possible masquerade the source port ???

Asked by arulkumarabi in Linux Networking, Linux, Linux Administration

Tags: , ,

1. The Client from external world (can be any IP and and a random port between 7001 to 15000) masqueraded by its external side gateway connects to our server running on system 192.x.x.x thorugh a masqueraded gateway IP 10.x.x.1 using port 5060. THese communication happen effortlessly
 
2. The server communication continues for all established packets and once in 40 Seconds Server Generates a NEW UDP packet with source port 5062 and destines it to
     the client destination (say example 172.x.x.x:7011). This packet passess through our gateway 10.x.x.1 to the client gateway after getting masqueraded.
   
   Question:
   We want to change the Source Port address i.e 192.x.x.x:5062, to 192.x.x.x:5060 on the Gateway system (10.x.x.1) before it is forwarded to client thorugh our gateway.

Is it possible to do

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[+][-]05.19.2008 at 10:35AM PDT, ID: 21599837

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Zones: Linux Networking, Linux, Linux Administration
Tags: Linux, firewall, iptables
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Solution Provided By: arnold
Participating Experts: 1
Solution Grade: B
 
 
[+][-]05.19.2008 at 11:52PM PDT, ID: 21603996

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[+][-]05.20.2008 at 05:58AM PDT, ID: 21605663

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[+][-]05.20.2008 at 10:15PM PDT, ID: 21612261

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[+][-]05.20.2008 at 11:07PM PDT, ID: 21612444

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