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-rw-r--r--passt.115
1 files changed, 8 insertions, 7 deletions
diff --git a/passt.1 b/passt.1
index e547eca..d3a5cc5 100644
--- a/passt.1
+++ b/passt.1
@@ -297,9 +297,9 @@ Don't forward any ports
.TP
.BR auto
-Forward all ports currently bound in the namespace. The list of ports is derived
-from listening sockets reported by \fI/proc/net/tcp\fR and \fI/proc/net/tcp6\fR,
-see \fBproc\fR(5).
+Dynamically forward ports bound in the namespace. The list of ports is
+periodically derived (every second) from listening sockets reported by
+\fI/proc/net/tcp\fR and \fI/proc/net/tcp6\fR, see \fBproc\fR(5).
.TP
.BR ports
@@ -331,9 +331,10 @@ Default is \fBauto\fR.
.TP
.BR \-u ", " \-\-udp-ports " " \fIspec
-Configure UDP port forwarding to guest. \fIspec\fR is as described for TCP
+Configure UDP port forwarding to namespace. \fIspec\fR is as described for TCP
above, and the list of ports is derived from listening sockets reported by
-\fI/proc/net/udp\fR and \fI/proc/net/udp6\fR, see \fBproc\fR(5).
+\fI/proc/net/udp\fR and \fI/proc/net/udp6\fR, see \fBproc\fR(5),
+when \fBpasta\fR starts (not periodically).
Note: unless overridden, UDP ports with numbers corresponding to forwarded TCP
port numbers are forwarded too, without, however, any port translation.
@@ -345,14 +346,14 @@ Default is \fBauto\fR.
.TP
.BR \-T ", " \-\-tcp-ns " " \fIspec
Configure TCP port forwarding from target namespace to init namespace.
-\fIspec\fR is as described above.
+\fIspec\fR is as described above for TCP.
Default is \fBauto\fR.
.TP
.BR \-U ", " \-\-udp-ns " " \fIspec
Configure UDP port forwarding from target namespace to init namespace.
-\fIspec\fR is as described above.
+\fIspec\fR is as described above for UDP.
Default is \fBauto\fR.