rpcbind: big number of TCP connections on TIME_WAIT state

Solution Unverified - Updated -

Issue

A big number of TCP connections from same host to rpcbind port(111) are observed through netstat -W -neopa :

tcp        0      0 172.23.1.35:52700    172.23.1.35:111      TIME_WAIT   0          0          -                    timewait (0.00/0/0)
tcp        0      0 172.23.1.35:43691    172.23.1.35:111      TIME_WAIT   0          0          -                    timewait (40.89/0/0)
tcp        0      0 172.23.1.35:42394    172.23.1.35:111      TIME_WAIT   0          0          -                    timewait (49.93/0/0)
tcp        0      0 172.23.1.35:52832    172.23.1.35:111      TIME_WAIT   0          0          -                    timewait (0.00/0/0)
tcp        0      0 172.23.1.35:33423    172.23.1.35:111      TIME_WAIT   0          0          -                    timewait (10.78/0/0)
tcp        0      0 172.23.1.35:55174    172.23.1.35:111      TIME_WAIT   0          0          -                    timewait (0.00/0/0)
tcp        0      0 172.23.1.35:47337    172.23.1.35:111      TIME_WAIT   0          0          -                    timewait (5.51/0/0)
tcp        0      0 172.23.1.35:48425    172.23.1.35:111      TIME_WAIT   0          0          -                    timewait (0.00/0/0)
tcp        0      0 172.23.1.35:44485    172.23.1.35:111      TIME_WAIT   0          0          -                    timewait (0.00/0/0)

Environment

  • Observed on RHEL7.9
  • IBM Tivoli software

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content