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network:packet_filter:load_balance
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| Both sides previous revision Previous revision Next revision | Previous revision Last revision Both sides next revision | ||
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network:packet_filter:load_balance [2013/09/20 20:37] tschulz |
network:packet_filter:load_balance [2014/03/05 09:44] tschulz |
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| * route-to roundrobin will not work with ftp since every transfer opens up a new connection | * route-to roundrobin will not work with ftp since every transfer opens up a new connection | ||
| * use **round-robin proto tcp from $lan_net to any port !ftp flags S/SA modulate state** to exempt ftp | * use **round-robin proto tcp from $lan_net to any port !ftp flags S/SA modulate state** to exempt ftp | ||
| - | <file config pf.conf> | + | <file pf pf.conf> |
| # --------------- file /etc/pf.conf -------------------- | # --------------- file /etc/pf.conf -------------------- | ||
| lan_net = "10.1.0.0/22" | lan_net = "10.1.0.0/22" | ||
| Line 30: | Line 30: | ||
| pass out on $ext_if1 route-to ($ext_if2 $ext_gw2) proto tcp from ($ext_if2) to any | pass out on $ext_if1 route-to ($ext_if2 $ext_gw2) proto tcp from ($ext_if2) to any | ||
| pass out on $ext_if2 route-to ($ext_if1 $ext_gw1) proto tcp from ($ext_if1) to any | pass out on $ext_if2 route-to ($ext_if1 $ext_gw1) proto tcp from ($ext_if1) to any | ||
| + | </file> | ||
| + | |||
| + | ====== Route traffic based on destination ====== | ||
| + | * packet filter matches on the last rule that matches, so start with a generic rule and get more specific as you write the config file. | ||
| + | <file> | ||
| + | pass in on $int_if route-to { ($ext_if1 $ext_gw1),($ext_if1 $ext_gw1),($ext_if2 $ext_gw2) } round-robin proto tcp from <dynamic_ips> to <ext_nets> port {80} flags S/SA modulate state | ||
| + | pass in on $int_if route-to { ($ext_if1 $ext_gw1),($ext_if1 $ext_gw1),($ext_if2 $ext_gw2) } round-robin proto {udp,icmp} from <dynamic_ips> to <ext_nets> keep state | ||
| + | |||
| + | pass in on $int_if route-to { ($ext_if2 $ext_gw2) } proto tcp from <dynamic_ips> to 208.85.40.0/21 port {80} flags S/SA modulate state # route panadora through wcta | ||
| + | pass in on $int_if route-to { ($ext_if1 $ext_gw1) } proto tcp from <dynamic_ips> to 17.0.0.0/8 port {80} flags S/SA modulate state # route apple through FED | ||
| + | |||
| </file> | </file> | ||
network/packet_filter/load_balance.txt · Last modified: 2014/03/05 09:44 by tschulz
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