diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/conf_mode/firewall_options.py | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/conf_mode/firewall_options.py b/src/conf_mode/firewall_options.py index 67bf5d0e2..b7f4aa82c 100755 --- a/src/conf_mode/firewall_options.py +++ b/src/conf_mode/firewall_options.py @@ -115,9 +115,12 @@ def apply(tcp): continue # adjust TCP MSS per interface - if mss: + if mss == 'clamp-mss-to-pmtu': call('iptables --table mangle --append {} --out-interface {} --protocol tcp ' - '--tcp-flags SYN,RST SYN --jump TCPMSS --set-mss {} >&/dev/null'.format(target, intf, mss)) + '--tcp-flags SYN,RST SYN --jump TCPMSS --clamp-mss-to-pmtu >&/dev/null'.format(target, intf)) + elif mss: + call('iptables --table mangle --append {} --out-interface {} --protocol tcp ' + '--tcp-flags SYN,RST SYN --jump TCPMSS --set-mss {} >&/dev/null'.format(target, intf, mss)) # Setup new ip6tables rules if tcp['new_chain6']: @@ -133,9 +136,12 @@ def apply(tcp): continue # adjust TCP MSS per interface - if mss: + if mss == 'clamp-mss-to-pmtu': + call('ip6tables --table mangle --append {} --out-interface {} --protocol tcp ' + '--tcp-flags SYN,RST SYN --jump TCPMSS --clamp-mss-to-pmtu >&/dev/null'.format(target, intf)) + elif mss: call('ip6tables --table mangle --append {} --out-interface {} --protocol tcp ' - '--tcp-flags SYN,RST SYN --jump TCPMSS --set-mss {} >&/dev/null'.format(target, intf, mss)) + '--tcp-flags SYN,RST SYN --jump TCPMSS --set-mss {} >&/dev/null'.format(target, intf, mss)) return None |