1 files changed, 21 insertions, 1 deletions

diff --git a/src/man/firejail.txt b/src/man/firejail.txt
index 12c32f4c7..52b75afaa 100644
--- a/src/man/firejail.txt
+++ b/src/man/firejail.txt
@@ -23,7 +23,7 @@ firejail {\-\-list | \-\-netstats | \-\-top | \-\-tree}
 Miscellaneous:
 .PP
 .RS
-firejail {\-? | \-\-debug-caps | \-\-debug-errnos | \-\-debug-syscalls | \-\-help | \-\-version}
+firejail {\-? | \-\-debug-caps | \-\-debug-errnos | \-\-debug-syscalls | \-\-debug-protocols | \-\-help | \-\-version}
 .RE
 .SH DESCRIPTION
 Firejail is a SUID sandbox program that reduces the risk of security breaches by
@@ -258,6 +258,15 @@ Example:
 .br
 $ firejail \-\-debug-errnos
 .TP
+\fB\-\-debug-protocols
+Print all recognized protocols in the current Firejail software build and exit.
+.br
+
+.br
+Example:
+.br
+$ firejail \-\-debug-protocols
+.TP
 \fB\-\-debug-syscalls
 Print all recognized system calls in the current Firejail software build and exit.
 .br
@@ -842,6 +851,17 @@ For more information, see SECURITY PROFILES section below.
 Example:
 .br
 $ firejail \-\-profile=myprofile
+
+.TP
+\fB\-\-protocol=protocol,protocol,protocol
+Enable protocol filter. The filter is based on seccomp and the first argument to socket system call.
+Recognized values: unix, inet, inet6, netlink and packet.
+.br
+
+.br
+Example:
+.br
+$ firejail \-\-protocol=unix,inet,inet6 firefox
 .TP
 \fB\-\-quiet
 Turn off Firejail's output.