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geisj at pagestation.com
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 Posted: Sat Oct 15, 2016 11:17 am Post subject: [asterisk-users] iptables for SIP talk to other port |
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I have a host 192.168.1.3 that wants to run SIP on 5068 (long story).My host is 192.168.10.201.
My host needs to stay on 5060 because of all the other devices I have connected.
I tried putting port=5068 in my SIP extension definition but that did not work.
So I thought about using iptables to accomplish this:
iptables -t nat -A PREROUTING Â -p tcp --dport 5068 Â Â Â Â Â Â Â Â -j REDIRECT --to-port 5060
iptables -t nat -A POSTROUTING -p tcp --dport 5060 -d 192.168.1.3 -j REDIRECT --to-port 5068
Do I not have the right format of the command?
Anything incoming destined for 5068 redirect to 5060...
Anything going out to 192.168.1.3 and port 5060 redirect to 5068.
Seems like that should have worked?
Thoughts? Â sip show peers still says unreachable.
Thanks,
Jerry |
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admin at tootai.net
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| Posted: Sat Oct 15, 2016 11:31 am Post subject: [asterisk-users] iptables for SIP talk to other port |
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Le 15/10/2016 à 18:17, Jerry Geis a écrit :
| Quote: | I have a host 192.168.1.3 that wants to run SIP on 5068 (long story).
My host is 192.168.10.201.
My host needs to stay on 5060 because of all the other devices I have
connected.
I tried putting port=5068 in my SIP extension definition but that did
not work.
So I thought about using iptables to accomplish this:
iptables -t nat -A PREROUTING -p tcp --dport 5068 -j
REDIRECT --to-port 5060
iptables -t nat -A POSTROUTING -p tcp --dport 5060 -d 192.168.1.3 -j
REDIRECT --to-port 5068
Do I not have the right format of the command?
Anything incoming destined for 5068 redirect to 5060...
Anything going out to 192.168.1.3 and port 5060 redirect to 5068.
Seems like that should have worked?
Thoughts? sip show peers still says unreachable.
|
Generally SIP is UDP not TCP. Did you modify your asterisk.conf to TCP ?
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Daniel
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ka at mayten.sch.bme.hu
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geisj at pagestation.com
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| Posted: Sat Oct 15, 2016 7:08 pm Post subject: [asterisk-users] iptables for SIP talk to other port |
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| Quote: | | Your correct. I forgot to mention that the other end IS using tcp. |
So I have in my SIP trunk.Â
transport=tcp
So correct my iptables line was specifying "-p tcp"
I also set tcpenable=yes in sip.conf
Thanks.
Jerry |
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mike352 at microdel.org
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| Posted: Sun Oct 16, 2016 5:56 pm Post subject: [asterisk-users] iptables for SIP talk to other port |
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I'm by no means an iptables guru...
Not sure if it's necessary to enable forwarding via:
echo "1" > /proc/sys/net/ipv4/ip_forward
Also have you tried without the "POSTROUTING" rule?
I seem to recall that "iptables" is smart enough to correctly route
packets back out without that rule.
On Sat, 15 Oct 2016, Jerry Geis wrote:
| Quote: | I have a host 192.168.1.3 that wants to run SIP on 5068 (long story).My host is 192.168.10.201.
My host needs to stay on 5060 because of all the other devices I have connected.
I tried putting port=5068 in my SIP extension definition but that did not work.
So I thought about using iptables to accomplish this:
iptables -t nat -A PREROUTING Â -p tcp --dport 5068 Â Â Â Â Â Â Â Â -j REDIRECT --to-port 5060
iptables -t nat -A POSTROUTING -p tcp --dport 5060 -d 192.168.1.3 -j REDIRECT --to-port 5068
Do I not have the right format of the command?
Anything incoming destined for 5068 redirect to 5060...
Anything going out to 192.168.1.3 and port 5060 redirect to 5068.
Seems like that should have worked?
Thoughts? Â sip show peers still says unreachable.
Thanks,
Jerry
|
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_____________________________________________________________________
-- Bandwidth and Colocation Provided by http://www.api-digital.com --
Join the Asterisk Community at the 13th AstriCon, September 27-29, 2016
http://www.asterisk.org/community/astricon-user-conference
New to Asterisk? Start here:
https://wiki.asterisk.org/wiki/display/AST/Getting+Started
asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users |
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duncan at e-simple.co.nz
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| Posted: Sun Oct 16, 2016 6:28 pm Post subject: [asterisk-users] iptables for SIP talk to other port |
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Don't you want udp rather than tcp? Have a look at the iptables stats to see if any packets are hitting your rule.
Also I think the source port from your host will be 5068 so your replies will be to the right port but you can double check
tcpdump is also very useful here
sudo tcpdump -i eth0 -n udp and host 192.168.1.3 should show you packets between your machine and your odd host
Cheers Duncan
On 17/10/16 11:55, Mike wrote:
| Quote: |
I'm by no means an iptables guru...
Not sure if it's necessary to enable forwarding via:
echo "1" > /proc/sys/net/ipv4/ip_forward
Also have you tried without the "POSTROUTING" rule?
I seem to recall that "iptables" is smart enough to correctly route packets back out without that rule.
On Sat, 15 Oct 2016, Jerry Geis wrote:
| Quote: | I have a host 192.168.1.3 that wants to run SIP on 5068 (long story).My host is 192.168.10.201.
My host needs to stay on 5060 because of all the other devices I have connected.
I tried putting port=5068 in my SIP extension definition but that did not work.
So I thought about using iptables to accomplish this:
iptables -t nat -A PREROUTING -p tcp --dport 5068 -j REDIRECT --to-port 5060
iptables -t nat -A POSTROUTING -p tcp --dport 5060 -d 192.168.1.3 -j REDIRECT --to-port 5068
Do I not have the right format of the command?
Anything incoming destined for 5068 redirect to 5060...
Anything going out to 192.168.1.3 and port 5060 redirect to 5068.
Seems like that should have worked?
Thoughts? sip show peers still says unreachable.
Thanks,
Jerry
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