Hello all
we are seeing these kind of logs in a Debian GNU/Linux 11 using kamailio 5.5.6
```Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155702]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[164.152.22.248:5060](http://164.152.22.248:5060/))
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155698]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.184:5060](http://208.74.138.184:5060/))
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155695]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.181:5060](http://208.74.138.181:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155693]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[38.102.250.60:5060](http://38.102.250.60:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[87.1.1.27:5060](http://87.1.1.27:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: tm [ut.h:302]: uri2dst2(): no corresponding socket for "87.1.1.27" af 2
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: tm [t_fwd.c:470]: prepare_new_uac(): can't fwd to af 2, proto 1 (no corresponding listening socket)
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155697]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.184:5060](http://208.74.138.184:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155694]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[192.40.216.97:5060](http://192.40.216.97:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155694]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.180:5060](http://208.74.138.180:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155714]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[87.1.1.27:5060](http://87.1.1.27:5060/))
```
The kamailio instance we are using is receiving around 1500 calls per second in average when we do start seeing these errors more frequently
In this instance we are using multihomed
the listen address list is
``` children=14
socket_workers=1
listen=udp:[192.168.99.70:5081](http://192.168.99.70:5081/)
listen=udp:[192.168.99.81:5060](http://192.168.99.81:5060/)
listen=udp:[87.1.1.27:5060](http://87.1.1.27:5060/)
listen=tcp:[192.168.96.105:8095](http://192.168.96.105:8095/)
listen=tcp:[87.1.1.27:5060](http://87.1.1.27:5060/)
tcp_children=6
port=5060
```
We use the first worker only to perform the OPTIONS requests from the dispatcher module.
The sockets
listen=udp:[192.168.99.81:5060](http://192.168.99.81:5060/)
listen=udp:[87.1.1.27:5060](http://87.1.1.27:5060/)
are used to communicate both A and B legs
so when a message is received at [192.168.99.81:5060](http://192.168.99.81:5060/) we send it to [87.1.1.27:5060](http://87.1.1.27:5060/) and viceversa
We were using $fs variable before doing the t_relay() function.
This way is working, but when load increases, seems sometimes kamailio doesn't get the proper socket to forward the reply.
I think the errors mainly are related to responses which are being forwarded, like if the function get_sock_info_list was not able to retrieve the listen interfaces
we have tried to set in the onreply routes the commands
set_recv_socket("udp:[192.168.99.81:5060](http://192.168.99.81:5060/)");
set_send_socket("udp:[87.1.1.27:5060](http://87.1.1.27:5060/)"); (when reply goes from private to public domain)
and it seems it reduces the number of
```
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155702]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[164.152.22.248:5060](http://164.152.22.248:5060/))
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155698]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.184:5060](http://208.74.138.184:5060/))
Sep 21 17:41:13 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155695]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[208.74.138.181:5060](http://208.74.138.181:5060/))
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155693]: ERROR: <core> [core/forward.c:183]: get_out_socket(): no corresponding socket found for(udp:[38.102.250.60:5060](http://38.102.250.60:5060/))
errors
```
But i honestly don't know why the
```Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: tm [ut.h:302]: uri2dst2(): no corresponding socket for "87.1.1.27" af 2
Sep 21 17:41:14 lax-dedge-1 /usr/local/kamailio/sbin/kamailio[3155707]: ERROR: tm [t_fwd.c:470]: prepare_new_uac(): can't fwd to af 2, proto 1 (no corresponding listening socket)
appear
```
We also tried to increase the kernel buffers rmem and wmem from 208KB (as we had by default) to 4MB
Do you know a reason which could cause these logs to appear?
Any setup that could mitigate them?
thanks a lot and regards
david escartin
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### Description
<!--
Explain what you did, what you expected to happen, and what actually happened.
-->
I used `jwt_verify()` function and expected to automatically handle the expiration check. But it doesn't.
### Troubleshooting
#### Reproduction
Have the following Kamailio config:
```
loadmodule "jwt.so"
...
modparam("jwt", "key_mode", 0)
....
$var(authorization_header_value) = "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxNDQ0ODEiLCJuYW1lIjoiSm9obiBEb2UiLCJpYXQiOjExMTYyMzkwMjJ9.Ce0o-10D-ghrfQ8jAZTFgJxw6pufLa6gtoCsylI9cPQo2MANVKV1sjwwKtbLfPzSobz1VhOVZ3RtbFME1GKwEOQq0MuNh7EsmMypjAyBbSPj3he0H4ysa3Lt2i8nJ2Z02j_PU387EEwziC4ilkbXNLXdx43ji_SP--dF3rij2C1Wv8AWbNloPnIAIgtTMdXRuxQPPGFhpBLfUPa54dgrRjLRSGzUJKNbszVljhpzqLM6rJ7hsf2MiB3Ww0goRH7r_9-rm4s9eYMK1xaCPlxBUIxw9bVbNkpiFypq_IcdhXnfyTsF4FUuXSgoUqGD6dOCOh6umsDfl7rrBTMRDdqT1CcBj-_CIWSwmxreVxYz1ET5cZe0oj1GnZRYFXrJzUFd1y9srV6qKY-QK1hlflONd_YZ23hpT1hXOVF0fsgB5JQBjDYBi2kLKms5zi-EAmoIVr1JVJS5-tE_iS3p40YGblI0oOOfxeKCtskgl9KtsRvUWi_25pU5BOEX8KiXVkJ2MH9KFYv2-HXrBVkZyY4kCsHIedz8k_nMfOICrh932pC2bgkQLJEZLSwtO8nTK5G1OrS_VLYwqJv0oGtnmcupexTGYiDjN6t1nqnH6s6409z16M-pKG2wwrt-40sFJh-5eDrpqs8KreSDdOYZsoB5POn7ipqZ0OfbVUCT4TzYYPA";
$var(jwt_verification) = jwt_verify("/etc/kamailio/oauth_pub.pem", "RS256",
"sub='$fU'",
"$var(authorization_header_value)"
);
xlog("JWT verification Status: $var(jwt_verification)");
#Outputs 1
...
```
If you decode the JWT you'll see that the timestamp in the `iat` header is in the past.
#### Debugging Data
#### Log Messages
```
{1 90377072 REGISTER 1d0833c1-0d75-123e-8abe-560004469ea4} <script>: JWT verification Status: 1
```
### Possible Solutions
Compare the timestamp from the token's `iat` claim with the current timestamp and fail the verification if it's in the past.
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
version: kamailio 5.8.2 (x86_64/linux) 3fa5f4
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, MEM_JOIN_FREE, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_SEND_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: 3fa5f4
compiled on 10:39:56 Jun 12 2024 with gcc 8.5.0
```
* **Operating System**:
<!--
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Kernel details (output of `lsb_release -a` and `uname -a`)
-->
```
Rocky Linux 8.10 (Green Obsidian)
```
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