On Server A CentOS 7, I enabled an iscsi target at portal 192.168.1.101:3260 (that ip is one of A's ips), so that from another Server B I can mount that iscsi target on Server A successfully.
From both Server B and Server A I can also do telnet 192.168.1.101 3260
successfully.
However, on server A lsof -i -P |grep 3260
show nothing!
Selinux is enabled, although disabling it does not make any difference.
There are multiple interfaces configured on Server A, maybe that was the reason? How to view that working port in lsof?
Edit: all commands were run in the root account.