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-rw-r--r--src/tools/wg.89
1 files changed, 6 insertions, 3 deletions
diff --git a/src/tools/wg.8 b/src/tools/wg.8
index 9aa76cf..2933761 100644
--- a/src/tools/wg.8
+++ b/src/tools/wg.8
@@ -67,14 +67,16 @@ it adds an additional layer of symmetric-key cryptography to be mixed into
the already existing public-key cryptography, for post-quantum resistance.
If \fIallowed-ips\fP is specified, but the value is the empty string, all
allowed ips are removed from the peer. The use of \fIpersistent-keepalive\fP
-is optional and is by default off; setting it to 0 or "off", disables it.
+is optional and is by default off; setting it to 0 or "off" disables it.
Otherwise it represents, in seconds, between 1 and 65535 inclusive, how often
to send an authenticated empty packet to the peer, for the purpose of keeping
a stateful firewall or NAT mapping valid persistently. For example, if the
interface very rarely sends traffic, but it might at anytime receive traffic
from a peer, and it is behind NAT, the interface might benefit from having a
persistent keepalive interval of 25 seconds; however, most users will not need
-this.
+this. The use of \fIfwmark\fP is optional and is by default off; setting it to
+0 or "off" disables it. Otherwise it is a 32-bit fwmark for outgoing packets
+and may be specified in hexadecimal by prepending "0x".
.TP
\fBsetconf\fP \fI<interface>\fP \fI<configuration-filename>\fP
Sets the current configuration of \fI<interface>\fP to the contents of
@@ -126,7 +128,8 @@ for post-quantum resistance.
ListenPort \(em a 16-bit port for listening. Optional; if not specified, chosen
randomly.
.IP \(bu
-FwMark \(em a 32-bit fwmark for outgoing packets. Optional.
+FwMark \(em a 32-bit fwmark for outgoing packets. If set to 0 or "off", this
+option is disabled. May be specified in hexadecimal by prepending "0x". Optional.
.P
The \fIPeer\fP sections may contain the following fields:
.IP \(bu