--mtu, spotify etc.

2 files changed, 11 insertions, 0 deletions

diff --git a/src/firejail/usage.c b/src/firejail/usage.c
index 5154caf77..b4024ff6f 100644
--- a/src/firejail/usage.c
+++ b/src/firejail/usage.c
@@ -100,6 +100,7 @@ void usage(void) {
         printf("\t--join=pid - join the sandbox identified by PID.\n\n");
         printf("\t--list - list all sandboxes.\n\n");
         printf("\t--mac=xx:xx:xx:xx:xx:xx - set interface MAC address.\n\n");
+        printf("\t--mtu=number - set interface MTU.\n\n");
         printf("\t--name=name - set sandbox hostname.\n\n");
         printf("\t--net=bridgename - enable network namespaces and connect to this bridge\n");
         printf("\t\tdevice. Unless specified with option --ip and --defaultgw, an\n");
diff --git a/src/man/firejail.txt b/src/man/firejail.txt
index 2d1c40566..6984c559b 100644
--- a/src/man/firejail.txt
+++ b/src/man/firejail.txt
@@ -443,6 +443,16 @@ Example:
 $ firejail \-\-net=eth0 \-\-mac=00:11:22:33:44:55 firefox
 
 .TP
+\fB\-\-mtu=number
+Assign a MTU value to the last network interface defined by a \-\-net option.
+.br
+
+.br
+Example:
+.br
+$ firejail \-\-net=eth0 \-\-mtu=1492
+
+.TP
 \fB\-\-name=name
 Set sandbox hostname. Several options, such as \-\-join and \-\-shutdown, can use
 this name to identify a sandbox.