[Bug 253509] ftp-proxy not handling connections

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sun Feb 14 14:32:44 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253509

            Bug ID: 253509
           Summary: ftp-proxy not handling connections
           Product: Base System
           Version: 13.0-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: bugs at FreeBSD.org
          Reporter: amigan at gmail.com

stable/13-n244514-18097ee2fb7c

After updating to 13-STABLE from 12-STABLE, ftp-proxy no longer appears to
function. Running it manually with -d -D7, it only prints its "listening"
message and never anything else. Running it in ktrace only shows periodic
kevent() calls and nothing else when a connection is made:

[...]
 57897 ftp-proxy GIO   fd 2 wrote 33 bytes
       "listening on 127.0.0.1 port 8021
       "
 57897 ftp-proxy RET   write 33/0x21
 57897 ftp-proxy CALL 
kevent(0x5,0x800a4d000,0,0x800a4c000,0x40,0x7fffffffe690)
 57897 ftp-proxy STRU  struct kevent[] = {  }
 57897 ftp-proxy STRU  struct kevent[] = {  }
 57897 ftp-proxy RET   kevent 0
 57897 ftp-proxy CALL 
kevent(0x5,0x800a4d000,0,0x800a4c000,0x40,0x7fffffffe690)
 57897 ftp-proxy STRU  struct kevent[] = {  }


It is definitely actually listening, and pf configured correctly to rdr to it,
as stopping the service closes client connections.

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