Squid 3.5 not responding to SNMP on multi-interface host
Squid config:
acl localnet src 172.17.17.0/24
snmp_port 3401
acl snmppublic snmp_community public
snmp_access allow snmppublic localhost
snmp_access allow snmppublic localnet
snmp_access allow snmppublic all
nmp_access deny all
snmp_incoming_
snmp_outgoing_
Query from remote does not work:
librenms:~$ snmpwalk -c public -v 1 172.17.17.13:3401 .1.3.6.1.4.1.3495
Timeout: No Response from 172.17.17.13:3401
Localhost query works:
squid:/etc/squid# snmpwalk -c public -v 1 localhost:3401 .1.3.6.1.4.1.3495
iso.3.6.
iso.3.6.
iso.3.6.
iso.3.6.
iso.3.6.
iso.3.6.
Squid host details:
squid:/etc/squid# ip ad
1: lo: <LOOPBACK,
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
95: eth0@if96: <BROADCAST,
link/ether 16:e5:65:cc:be:b0 brd ff:ff:ff:ff:ff:ff link-netnsid 0
inet 172.17.17.13/24 brd 172.17.17.255 scope global eth0
valid_lft forever preferred_lft forever
inet6 fdb0:657b:
valid_lft forever preferred_lft forever
inet6 fe80::14e5:
valid_lft forever preferred_lft forever
97: eth1@if98: <BROADCAST,
link/ether 22:c1:dc:50:49:0c brd ff:ff:ff:ff:ff:ff link-netnsid 0
inet 10.168.120.13/24 brd 10.168.120.255 scope global eth1
valid_lft forever preferred_lft forever
inet6 fd98:189a:
valid_lft forever preferred_lft forever
inet6 fe80::20c1:
valid_lft forever preferred_lft forever
99: eth3@if100: <BROADCAST,
link/ether aa:c2:39:03:27:9b brd ff:ff:ff:ff:ff:ff link-netnsid 0
inet 192.168.19.13/24 brd 192.168.19.255 scope global eth3
valid_lft forever preferred_lft forever
inet6 fe80::a8c2:
valid_lft forever preferred_lft forever
squid:/etc/squid# ufw status verbose
Status: active
Logging: on (low)
Default: deny (incoming), allow (outgoing), deny (routed)
New profiles: skip
To Action From
-- ------ ----
Anywhere on eth3 DENY IN Anywhere
22/tcp ALLOW IN Anywhere
80/tcp ALLOW IN Anywhere
2048,3128,
3128/tcp ALLOW IN Anywhere
8000/tcp ALLOW IN Anywhere
5353/udp ALLOW IN Anywhere
161 ALLOW IN Anywhere
224.0.0.251 5353/udp ALLOW IN Anywhere
179/tcp ALLOW IN Anywhere
Anywhere (v6) on eth3 DENY IN Anywhere (v6)
22/tcp (v6) ALLOW IN Anywhere (v6)
80/tcp (v6) ALLOW IN Anywhere (v6)
2048,3128,
3128/tcp (v6) ALLOW IN Anywhere (v6)
8000/tcp (v6) ALLOW IN Anywhere (v6)
5353/udp (v6) ALLOW IN Anywhere (v6)
161 (v6) ALLOW IN Anywhere (v6)
ff02::fb 5353/udp ALLOW IN Anywhere (v6)
179/tcp (v6) ALLOW IN Anywhere (v6)
squid:/etc/squid# netstat -a | grep 3401
udp 0 0 0.0.0.0:3401 0.0.0.0:*
squid:/etc/squid# squid -v
Squid Cache: Version 3.5.27
Service Name: squid
Ubuntu linux
configure options: '--build=
squid:/etc/squid# cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_
DISTRIB_
DISTRIB_
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