Signed-off-by: Fernando Fernandez Mancera <ffmancera@xxxxxxxxxx> --- doc/primary-expression.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/doc/primary-expression.txt b/doc/primary-expression.txt index d819b24..a62ed00 100644 --- a/doc/primary-expression.txt +++ b/doc/primary-expression.txt @@ -219,6 +219,8 @@ and others) from packets with the SYN bit set. |ttl| Do TTL checks on the packet to determine the operating system.| string +|version| +Do OS version checks on the packet.| |name| Name of the OS signature to match. All signatures can be found at pf.os file. Use "unknown" for OS signatures that the expression could not detect.| -- 2.20.1