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| -rw-r--r-- | share/man/man4/ip.4 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/share/man/man4/ip.4 b/share/man/man4/ip.4 index 02dd01cece6..8716cfa4a30 100644 --- a/share/man/man4/ip.4 +++ b/share/man/man4/ip.4 @@ -133,6 +133,18 @@ cmsg_len = sizeof(struct in_addr) cmsg_level = IPPROTO_IP cmsg_type = IP_RECVDSTADDR .Ed +.Pp +The IP_PORTRANGE +option causes the default allocation policy for when the kernel is asked +to choose a free port number. Three choices are available: +.Bl -tag -width IP_PORTRANGE_DEFAULT +.It IP_PORTRANGE_DEFAULT +The regular range of non-reserved ports. +.It IP_PORTRANGE_HIGH +A high range, for fun. +.It IP_PORTRANGE_LOW +Reserved ports; between 600 and 1023. +.El .Ss "Multicast Options" .Pp .Tn IP |