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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.uwa.edu.au!classic.iinet.com.au!swing.iinet.net.au!news.uoregon.edu!usenet.eel.ufl.edu!tank.news.pipex.net!pipex!news.mathworks.com!newsfeed.internetmci.com!bloom-beacon.mit.edu!ai-lab!life.ai.mit.edu!kstailey From: kstailey@hill.gnu.ai.mit.edu (Kenneth Stailey) Newsgroups: comp.unix.bsd.misc,comp.sys.sequent Subject: portmap question Date: 26 Oct 1995 20:31:48 GMT Organization: MIT Artificial Intelligence Lab Lines: 27 Distribution: comp Message-ID: <KSTAILEY.95Oct26163149@hill.gnu.ai.mit.edu> NNTP-Posting-Host: hill.gnu.ai.mit.edu Xref: euryale.cc.adfa.oz.au comp.unix.bsd.misc:295 comp.sys.sequent:2911 Hi, We have a copy of a backup application called REELbackup by StorageTek on our Sequent Symmetry 2000. It uses ONC RPC and registers itself via portmap. Here is the output from rpcinfo -p program vers proto port [normal stuff deleted] 667777775 1 tcp 840 rllog 667777771 1 tcp 847 667777771 1 udp 849 667777774 1 tcp 852 667777770 1 tcp 851 667777773 1 tcp 877 667777772 1 tcp 885 My question (which I asked to StorageTek) is "how does this application determine what TCP port numbers to use?" StorageTek said that portmap chooses the TCP port numbers, but this does not seem true to me based on what I have read from the portmap manual pages and source code. Can portmap choose TCP ports or does the application decide on the ports and then tell the portmap daemon what they are? Thanks for any help, ~Ken