Description of problem: Enabling NFS4 enables mount but not showmount on remote system Version-Release number of selected component (if applicable): 1.2.29 How reproducible: Always Steps to Reproduce: 0. Export filesystem home from system charlie to system fred 1. Start system-config-firewall on charlie 2. Select "Trusted Services"->NFS4 3. Click Disable, Apply, Enable, Apply (Note the firewall can only be changed when it's disabled. This needs to be documented in the applet.) Actual results: On fred "mount -t nfs4 charlie:/home /mnt" works but "showmount -e charlie" fails with the message: "RPC Port mapper failure - Unable to receive: errno 113 (no route to host)" Expected results: Both mount and showmount work. Additional info: The whole situation is rather confusing to the novice (me).
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The same problem exists on Fedora 18 with firewalld. When the service "nfs" is enabled in firewalld, nfs4 filesystems can be mounted, but showmount -e remote_nfs_server print the error message clnt_create: RPC: Port mapper failure - Unable to receive: errno 113 (No route to host) Allowing ports 111/udp and (at least) one of 20048/tcp or 20048/udp solves the problem - then showmount -e works as expected. (Port 111/tcp seems not to be used by showmount.) I think this bug can / should be reopened for Fedora 18 (and Fedora 19) with component firewalld. firewalld should provide a service of either rpcbind (or sunrpc) and rpcmountd or nfs3 with covers the previos named services (or add this ports to the existing nfs service).
(In reply to Edgar Hoch from comment #3) > Allowing ports 111/udp and ... (just to be sure) on server or client ?
(In reply to Jiri Popelka from comment #4) > (In reply to Edgar Hoch from comment #3) > > Allowing ports 111/udp and ... > > (just to be sure) on server or client ? Only on the server.
The same is neccecary for accessing via /net/nfsservername/...
*** This bug has been marked as a duplicate of bug 975060 ***