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-rw-r--r--src/man/wg.89
1 files changed, 9 insertions, 0 deletions
diff --git a/src/man/wg.8 b/src/man/wg.8
index 07b9694..27860c8 100644
--- a/src/man/wg.8
+++ b/src/man/wg.8
@@ -212,6 +212,15 @@ are thus ignored.
.br
AllowedIPs = 10.10.10.230/32
+.SH DEBUGGING INFORMATION
+Sometimes it is useful to have information on the current runtime state of a tunnel. When using the Linux kernel module on a kernel that supports dynamic debugging, debugging information can be written into
+.BR dmesg (1)
+by running as root:
+
+\fB # modprobe wireguard && echo module wireguard +p > /sys/kernel/debug/dynamic_debug/control\fP
+
+On userspace implementations, it is customary to set the \fILOG_LEVEL\fP environment variable to \fIdebug\fP.
+
.SH ENVIRONMENT VARIABLES
.TP
.I WG_COLOR_MODE