:INPUT,FORWARD,OUTPUT | |
-m ttl --ttl-eq 0;=;OK | |
-m ttl --ttl-eq 255;=;OK | |
-m ttl ! --ttl-eq 0;=;OK | |
-m ttl ! --ttl-eq 255;=;OK | |
-m ttl --ttl-gt 0;=;OK | |
# not possible have anything greater than 255, TTL is 8-bit long | |
# ERROR: should fail: iptables -A INPUT -m ttl --ttl-gt 255 | |
## -m ttl --ttl-gt 255;;FAIL | |
# not possible have anything below 0 | |
# ERROR: should fail: iptables -A INPUT -m ttl --ttl-lt 0 | |
## -m ttl --ttl-lt 0;;FAIL | |
-m ttl --ttl-eq 256;;FAIL | |
-m ttl --ttl-eq -1;;FAIL | |
-m ttl;;FAIL |