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Author Topic: Unable to send udp packets from Red to Green in endian 2.5.1  (Read 15512 times)
sagi
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« on: Tuesday 25 September 2012, 04:30:53 pm »

Hi

I want to send udp packets from red to green interface using engage packet builder without port forwarding i.e using "do not NAT" but its not working. i can send packets using "NAT" option, but no luck without it. can some one guide me what i am doing wrong.

SRC IP: 192.168.1.2
DST IP: 30.30.2.22
SRC PORT: 1024
DST PORT: 16384
Type: UDP

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fqureshi
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« Reply #1 on: Tuesday 25 September 2012, 04:35:17 pm »

These are different ports so you have to use port forwarding and Nat.
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sagi
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« Reply #2 on: Tuesday 25 September 2012, 06:44:56 pm »

thanks for your reply. i think i was unable to convey my problem correctly. below is my topology


UDP PACKET [SRC IP: 192.168.1.2, SRC PORT: 1024, DST IP: 30.30.2.22, DST PORT: 16384]



UDP PACKET-------->192.168.1.1[ENDIAN RED]--------------[ENDIAN GREEN]30.30.2.1---------------> 30.30.2.22

I configured port forwarding to forward udp to dst port 16384 at ip 30.30.2.22 without dnat. but i cannot get the packet forwarded from red to green interface. Any suggestions what i am doing wrong?
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fqureshi
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« Reply #3 on: Tuesday 25 September 2012, 06:54:18 pm »

You might have to add rule to incoming routed traffic. Also try to disable all firewall features i mean Luke outgoing firewall. Test it with very basic setup... remove all other rules and see how it goes.
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sagi
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« Reply #4 on: Tuesday 25 September 2012, 07:13:26 pm »

Still no luck. tried the basic setup with outgoing firewall disabled  and added a route to 30.30.2.0/24 network but still not working. Need this to work desperately.
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svlmani
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« Reply #5 on: Wednesday 26 September 2012, 11:56:31 am »

try using system access
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fqureshi
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« Reply #6 on: Saturday 29 September 2012, 07:13:37 am »

First try to trace route that if you are able to reach destination or not and then work with ports redirection.
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