Hello John!
"write" server from your example, is it a cluster? Just tried it on my
system and it didn't work.
It looks like Redis proxy should solve the problem.
redis_cmd("redis-cluster", "AUTH passw0rd", "r");
redis_cmd("redis-cluster", "HGET cnf:accounts:$AU password", "r");
3(2561) DEBUG: ndb_redis [redis_client.c:439]: redisc_get_server(): Hash
1969359015 (redis-cluster)
3(2561) DEBUG: ndb_redis [redis_client.c:442]: redisc_get_server(): Entry
1969359015 (redis-cluster)
3(2561) DEBUG: ndb_redis [redis_client.c:446]: redisc_get_server(): Using
entry 1969359015 (redis-cluster)
3(2561) DEBUG: ndb_redis [redis_client.c:1033]: redisc_exec():
rsrv->ctxRedis = 0x55561cebfc30
3(2561) DEBUG: ndb_redis [redis_client.c:1039]: redisc_exec():
rsrv->ctxRedis = 0x55561cebfc30
3(2561) DEBUG: ndb_redis [redis_client.c:898]: check_cluster_reply():
Redis replied: "OK"
3(2561) DEBUG: ndb_redis [redis_client.c:1118]: redisc_exec():
rpl->rplRedis->type:5
3(2561) DEBUG: ndb_redis [redis_client.c:1132]: redisc_exec():
rsrv->ctxRedis = 0x55561cebfc30
3(2561) DEBUG: ndb_redis [redis_client.c:439]: redisc_get_server(): Hash
1969359015 (redis-cluster)
3(2561) DEBUG: ndb_redis [redis_client.c:442]: redisc_get_server(): Entry
1969359015 (redis-cluster)
3(2561) DEBUG: ndb_redis [redis_client.c:446]: redisc_get_server(): Using
entry 1969359015 (redis-cluster)
3(2561) DEBUG: ndb_redis [redis_client.c:1033]: redisc_exec():
rsrv->ctxRedis = 0x55561cebfc30
3(2561) DEBUG: ndb_redis [redis_client.c:1039]: redisc_exec():
rsrv->ctxRedis = 0x55561cebfc30
3(2561) DEBUG: ndb_redis [redis_client.c:898]: check_cluster_reply():
Redis replied: "MOVED 1875 10.42.0.36:6379"
3(2561) DEBUG: ndb_redis [redis_client.c:906]: check_cluster_reply(): Port
"6379" [4] => 6379
3(2561) DEBUG: ndb_redis [redis_client.c:916]: check_cluster_reply(): Host
"10.42.0.36" [10]
3(2561) DEBUG: ndb_redis [redis_client.c:927]: check_cluster_reply(): Name
of new connection: 10.42.0.36:6379
3(2561) DEBUG: ndb_redis [redis_client.c:439]: redisc_get_server(): Hash
2703334398 (10.42.0.36:6379)
3(2561) DEBUG: ndb_redis [redis_client.c:442]: redisc_get_server(): Entry
1969359015 (redis-cluster)
3(2561) DEBUG: ndb_redis [redis_client.c:452]: redisc_get_server(): No
entry found.
3(2561) DEBUG: ndb_redis [redis_client.c:439]: redisc_get_server(): Hash
2703334398 (10.42.0.36:6379)
3(2561) DEBUG: ndb_redis [redis_client.c:442]: redisc_get_server(): Entry
2703334398 (10.42.0.36:6379)
3(2561) DEBUG: ndb_redis [redis_client.c:446]: redisc_get_server(): Using
entry 2703334398 (10.42.0.36:6379)
3(2561) DEBUG: ndb_redis [redis_client.c:595]: redisc_reconnect_server():
rsrv->ctxRedis = (nil)
3(2561) DEBUG: ndb_redis [redis_client.c:628]: redisc_reconnect_server():
rsrv->ctxRedis = 0x55561cec5260
3(2561) DEBUG: ndb_redis [redis_client.c:969]: check_cluster_reply():
Connected to the new server with name: 10.42.0.36:6379
3(2561) DEBUG: ndb_redis [redis_client.c:1084]: redisc_exec():
rsrv->ctxRedis = 0x55561cec5260
3(2561) DEBUG: ndb_redis [redis_client.c:1090]: redisc_exec():
rsrv->ctxRedis = 0x55561cec5260
3(2561) DEBUG: ndb_redis [redis_client.c:1118]: redisc_exec():
rpl->rplRedis->type:6
3(2561) ERROR: ndb_redis [redis_client.c:1120]: redisc_exec(): Redis
error:NOAUTH Authentication required.
Thank you!
пт, 10 жовт. 2025 р. о 16:43 Володимир Іванець <[email protected]>
пише:
> Hello John!
>
> It appears to be an expected behavior. Module only authenticates the first
> time it connects. Found similar topic here:
> https://github.com/kamailio/kamailio/issues/3654
>
> Regardless, your approach will work perfect for me. Thank you for sharing
> it!
>
>
> пт, 10 жовт. 2025 р., 16:37 користувач John Petrini <
> [email protected]> пише:
>
>> I encountered the same issue, I'm not sure if it's a bug or if I made a
>> mistake somewhere but we opted to just keep sending auth with each request
>> as that's what we've been doing for years anyway.
>>
>> redis_cmd("write", "AUTH REDIS_PASS", "r");
>> redis_cmd("write", "SET %s %s", "$fU", "$avp(an_avp)", "r");
>>
>> Another option is to use a unix socket if the db is local.
>> ------------------------------
>> *From:* Володимир Іванець via sr-users <[email protected]>
>> *Sent:* Friday, October 10, 2025 9:03 AM
>> *To:* Kamailio (SER) - Users Mailing List <[email protected]>
>> *Cc:* Володимир Іванець <[email protected]>
>> *Subject:* [SR-Users] Re: ndb_redis behavior
>>
>>
>> *CAUTION:* This email originated from outside the organization. *Do not
>> click links or open attachments* unless you recognize the sender and
>> know the content is safe.
>>
>> Kamailio version is 6.0.2.
>>
>> Thank you!
>>
>> пт, 10 жовт. 2025 р. о 15:55 Володимир Іванець <[email protected]>
>> пише:
>>
>> Hello everyone!
>>
>> Can someone please tell if this is expected behavior and I should remove
>> authentication?
>>
>> I have a Redis cluster with authentication enabled. Kamailio
>> configuration is as follows:
>>
>> modparam("ndb_redis", "server", "name=redis-cluster;addr=
>> redis-redis-cluster;port=6379;pass=mypassword")
>> modparam("ndb_redis", "init_without_redis", 1)
>> modparam("ndb_redis", "connect_timeout", 1000)
>> modparam("ndb_redis", "cmd_timeout", 1000)
>> modparam("ndb_redis", "cluster", 1)
>> modparam("ndb_redis", "allow_dynamic_nodes", 1)
>> modparam("ndb_redis", "flush_on_reconnect", 0)
>>
>>
>> Kamailio stops request to Redis with "NOAUTH Authentication required"
>> error when it tries to execute redis_cmd("redis-cluster", "HGET
>> cnf:accounts:$AU password", "r");
>>
>> 4(1630) DEBUG: ndb_redis [redis_client.c:439]: redisc_get_server(): Hash
>> 1969359015 (redis-cluster)
>> 4(1630) DEBUG: ndb_redis [redis_client.c:442]: redisc_get_server():
>> Entry 1969359015 (redis-cluster)
>> 4(1630) DEBUG: ndb_redis [redis_client.c:446]: redisc_get_server():
>> Using entry 1969359015 (redis-cluster)
>> 4(1630) DEBUG: ndb_redis [redis_client.c:1033]: redisc_exec():
>> rsrv->ctxRedis = 0x55563cd13c30
>> 4(1630) DEBUG: ndb_redis [redis_client.c:1039]: redisc_exec():
>> rsrv->ctxRedis = 0x55563cd13c30
>> 4(1630) DEBUG: ndb_redis [redis_client.c:898]: check_cluster_reply():
>> Redis replied: "MOVED 1875 10.42.0.36:6379
>> <https://urldefense.com/v3/__http://10.42.0.36:6379__;!!KWzduNI!aTVDOqq2zrpUtoBQ5lO840-dzwocBaaPLOLLm0U57XyJIgNfAGvrJZDGKtar-aOCXi2CJ-HvBb2ssz2s6bSbIgEm$>
>> "
>> 4(1630) DEBUG: ndb_redis [redis_client.c:906]: check_cluster_reply():
>> Port "6379" [4] => 6379
>> 4(1630) DEBUG: ndb_redis [redis_client.c:916]: check_cluster_reply():
>> Host "10.42.0.36" [10]
>> 4(1630) DEBUG: ndb_redis [redis_client.c:927]: check_cluster_reply():
>> Name of new connection: 10.42.0.36:6379
>> <https://urldefense.com/v3/__http://10.42.0.36:6379__;!!KWzduNI!aTVDOqq2zrpUtoBQ5lO840-dzwocBaaPLOLLm0U57XyJIgNfAGvrJZDGKtar-aOCXi2CJ-HvBb2ssz2s6bSbIgEm$>
>> 4(1630) DEBUG: ndb_redis [redis_client.c:439]: redisc_get_server(): Hash
>> 2703334398 (10.42.0.36:6379
>> <https://urldefense.com/v3/__http://10.42.0.36:6379__;!!KWzduNI!aTVDOqq2zrpUtoBQ5lO840-dzwocBaaPLOLLm0U57XyJIgNfAGvrJZDGKtar-aOCXi2CJ-HvBb2ssz2s6bSbIgEm$>
>> )
>> 4(1630) DEBUG: ndb_redis [redis_client.c:442]: redisc_get_server():
>> Entry 1969359015 (redis-cluster)
>> 4(1630) DEBUG: ndb_redis [redis_client.c:452]: redisc_get_server(): No
>> entry found.
>> 4(1630) DEBUG: ndb_redis [redis_client.c:439]: redisc_get_server(): Hash
>> 2703334398 (10.42.0.36:6379
>> <https://urldefense.com/v3/__http://10.42.0.36:6379__;!!KWzduNI!aTVDOqq2zrpUtoBQ5lO840-dzwocBaaPLOLLm0U57XyJIgNfAGvrJZDGKtar-aOCXi2CJ-HvBb2ssz2s6bSbIgEm$>
>> )
>> 4(1630) DEBUG: ndb_redis [redis_client.c:442]: redisc_get_server():
>> Entry 2703334398 (10.42.0.36:6379
>> <https://urldefense.com/v3/__http://10.42.0.36:6379__;!!KWzduNI!aTVDOqq2zrpUtoBQ5lO840-dzwocBaaPLOLLm0U57XyJIgNfAGvrJZDGKtar-aOCXi2CJ-HvBb2ssz2s6bSbIgEm$>
>> )
>> 4(1630) DEBUG: ndb_redis [redis_client.c:446]: redisc_get_server():
>> Using entry 2703334398 (10.42.0.36:6379
>> <https://urldefense.com/v3/__http://10.42.0.36:6379__;!!KWzduNI!aTVDOqq2zrpUtoBQ5lO840-dzwocBaaPLOLLm0U57XyJIgNfAGvrJZDGKtar-aOCXi2CJ-HvBb2ssz2s6bSbIgEm$>
>> )
>> 4(1630) DEBUG: ndb_redis [redis_client.c:595]:
>> redisc_reconnect_server(): rsrv->ctxRedis = (nil)
>> 4(1630) DEBUG: ndb_redis [redis_client.c:628]:
>> redisc_reconnect_server(): rsrv->ctxRedis = 0x55563cd1bce0
>> 4(1630) DEBUG: ndb_redis [redis_client.c:969]: check_cluster_reply():
>> Connected to the new server with name: 10.42.0.36:6379
>> <https://urldefense.com/v3/__http://10.42.0.36:6379__;!!KWzduNI!aTVDOqq2zrpUtoBQ5lO840-dzwocBaaPLOLLm0U57XyJIgNfAGvrJZDGKtar-aOCXi2CJ-HvBb2ssz2s6bSbIgEm$>
>> 4(1630) DEBUG: ndb_redis [redis_client.c:1084]: redisc_exec():
>> rsrv->ctxRedis = 0x55563cd1bce0
>> 4(1630) DEBUG: ndb_redis [redis_client.c:1090]: redisc_exec():
>> rsrv->ctxRedis = 0x55563cd1bce0
>> 4(1630) DEBUG: ndb_redis [redis_client.c:1118]: redisc_exec():
>> rpl->rplRedis->type:6
>> 4(1630) ERROR: ndb_redis [redis_client.c:1120]: redisc_exec(): Redis
>> error:NOAUTH Authentication required.
>>
>>
>> Thank you!
>>
>>
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