bionic verification:
ubuntu@lp304393-b:~$ dpkg -l|grep rpcbind
ii rpcbind 0.2.3-0.6 amd64
converts RPC program numbers into universal addresses
ubuntu@lp304393-b:~$ sudo netstat --inet -p -l | grep rpcbind | grep -v sunrpc
udp 0 0 0.0.0.0:788 0.0.0.0:*
13332/rpcbind
after upgrade, same default behavior:
ubuntu@lp304393-b:~$ dpkg -l|grep rpcbind
ii rpcbind 0.2.3-0.6ubuntu0.18.04.1 amd64
converts RPC program numbers into universal addresses
ubuntu@lp304393-b:~$ sudo systemctl restart rpcbind
ubuntu@lp304393-b:~$ sudo netstat --inet -p -l | grep rpcbind | grep -v sunrpc
udp 0 0 0.0.0.0:707 0.0.0.0:*
14099/rpcbind
with parameter set, random port is disabled:
ubuntu@lp304393-b:~$ cat /etc/default/rpcbind
RPCBIND_RMTCALL_DEFAULT_DISABLED=1
ubuntu@lp304393-b:~$ sudo systemctl restart rpcbind
ubuntu@lp304393-b:~$ sudo netstat --inet -p -l | grep rpcbind | grep -v sunrpc
ubuntu@lp304393-b:~$
with param commented, default behavior restored:
ubuntu@lp304393-b:~$ cat /etc/default/rpcbind
#RPCBIND_RMTCALL_DEFAULT_DISABLED=1
ubuntu@lp304393-b:~$ sudo systemctl restart rpcbind
ubuntu@lp304393-b:~$ sudo netstat --inet -p -l | grep rpcbind | grep -v sunrpc
udp 0 0 0.0.0.0:877 0.0.0.0:*
14269/rpcbind
** Tags removed: verification-needed verification-needed-bionic
** Tags added: verification-done verification-done-bionic
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https://bugs.launchpad.net/bugs/304393
Title:
rpcbind grabs ports used by other daemons such as cupsd
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