[SR-Users] corex send()

Ross McKillop ross at rsmck.co.uk
Fri Nov 12 14:44:35 CET 2021

Hi All,

Is there an equivalent to corex's send_tcp (https://kamailio.org/docs/modules/5.2.x/modules/corex.html#corex.f.send_tcp <https://kamailio.org/docs/modules/5.2.x/modules/corex.html#corex.f.send_tcp>) for TLS? 

I have a bit of an odd edge case where I can't add Via headers etc, and send_udp and send_tcp allow me to achieve what I want, but it doesn't seem to have a means of doing the same with TLS? 

Essentially I want to transparently proxy what is received by Kamailio on one interface to a TLS connection e.g. 

	A = (TCP) => Kamailio = (TLS) => Remote Host 

(A) in this instance is already setting a Via header of the Kamailio's external IP and transport tis. I appreciate this is a non-standard way of doing it, but (A) is a black box that I can't change, what I'm essentially trying to do is have Kamailio handle the TLS but essentially (A) thinks it's at the edge.

I can make it work with send_tcp for a standard TCP connection, but if I use t_relay or even forward() to send onwards by TLS then Kamailio obviously adds its own headers as you'd expect.

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