|
Lines 682-688
to simulate the effect of multiple paths leading to out-of-order
Link Here
|
| 682 |
packet delivery. |
682 |
packet delivery. |
| 683 |
.Pp |
683 |
.Pp |
| 684 |
Note: this condition is checked before any other condition, including |
684 |
Note: this condition is checked before any other condition, including |
| 685 |
ones such as |
685 |
ones such as |
| 686 |
.Cm keep-state |
686 |
.Cm keep-state |
| 687 |
or |
687 |
or |
| 688 |
.Cm check-state |
688 |
.Cm check-state |
|
Lines 1604-1610
Matches IPv6 packets containing any of the flow labels given in
Link Here
|
| 1604 |
is a comma separated list of numeric flow labels. |
1604 |
is a comma separated list of numeric flow labels. |
| 1605 |
.It Cm frag Ar spec |
1605 |
.It Cm frag Ar spec |
| 1606 |
Matches IPv4 packets whose |
1606 |
Matches IPv4 packets whose |
| 1607 |
.Cm ip_off |
1607 |
.Cm ip_off |
| 1608 |
field contains the comma separated list of IPv4 fragmentation |
1608 |
field contains the comma separated list of IPv4 fragmentation |
| 1609 |
options specified in |
1609 |
options specified in |
| 1610 |
.Ar spec . |
1610 |
.Ar spec . |
|
Lines 3370-3376
Thus translator host should be configured as IPv4 and IPv6 router.
Link Here
|
| 3370 |
Also this means, that a packet is handled by firewall twice. |
3370 |
Also this means, that a packet is handled by firewall twice. |
| 3371 |
First time an original packet is handled and consumed by translator, |
3371 |
First time an original packet is handled and consumed by translator, |
| 3372 |
and then it is handled again as translated packet. |
3372 |
and then it is handled again as translated packet. |
| 3373 |
This behavior can be changed by sysctl variable |
3373 |
This behavior can be changed by sysctl variable |
| 3374 |
.Va net.inet.ip.fw.nat64_direct_output . |
3374 |
.Va net.inet.ip.fw.nat64_direct_output . |
| 3375 |
Also translated packet can be tagged using |
3375 |
Also translated packet can be tagged using |
| 3376 |
.Cm tag |
3376 |
.Cm tag |
|
Lines 4086-4092
Controls the output method used by
Link Here
|
| 4086 |
module: |
4086 |
module: |
| 4087 |
.Bl -tag -width indent |
4087 |
.Bl -tag -width indent |
| 4088 |
.It Cm 0 |
4088 |
.It Cm 0 |
| 4089 |
A packet is handled by |
4089 |
A packet is handled by |
| 4090 |
.Nm ipfw |
4090 |
.Nm ipfw |
| 4091 |
twice. |
4091 |
twice. |
| 4092 |
First time an original packet is handled by |
4092 |
First time an original packet is handled by |
|
Lines 4277-4287
ruleset to minimize the amount of work scanning the ruleset.
Link Here
|
| 4277 |
Your mileage may vary. |
4277 |
Your mileage may vary. |
| 4278 |
.Pp |
4278 |
.Pp |
| 4279 |
For more complex scenarios with dynamic rules |
4279 |
For more complex scenarios with dynamic rules |
| 4280 |
.Cm record-state |
4280 |
.Cm record-state |
| 4281 |
and |
4281 |
and |
| 4282 |
.Cm defer-action |
4282 |
.Cm defer-action |
| 4283 |
can be used to precisely control creation and checking of dynamic rules. |
4283 |
can be used to precisely control creation and checking of dynamic rules. |
| 4284 |
Example of usage of these options are provided in |
4284 |
Example of usage of these options are provided in |
| 4285 |
.Sx NETWORK ADDRESS TRANSLATION (NAT) |
4285 |
.Sx NETWORK ADDRESS TRANSLATION (NAT) |
| 4286 |
Section. |
4286 |
Section. |
| 4287 |
.Pp |
4287 |
.Pp |
|
Lines 4439-4449
Using the
Link Here
|
| 4439 |
.Cm fwd |
4439 |
.Cm fwd |
| 4440 |
action, the table entries may include hostnames and IP addresses. |
4440 |
action, the table entries may include hostnames and IP addresses. |
| 4441 |
.Pp |
4441 |
.Pp |
| 4442 |
.Dl "ipfw table T2 create type addr ftype ip" |
4442 |
.Dl "ipfw table T2 create type addr valtype ipv4" |
| 4443 |
.Dl "ipfw table T2 add 192.168.2.0/24 10.23.2.1" |
4443 |
.Dl "ipfw table T2 add 192.168.2.0/24 10.23.2.1" |
| 4444 |
.Dl "ipfw table T21 add 192.168.0.0/27 router1.dmz" |
4444 |
.Dl "ipfw table T2 add 192.168.0.0/27 router1.dmz" |
| 4445 |
.Dl "..." |
4445 |
.Dl "..." |
| 4446 |
.Dl "ipfw add 100 fwd tablearg ip from any to table(1)" |
4446 |
.Dl "ipfw add 100 fwd tablearg ip from any to 'table(T2)'" |
| 4447 |
.Pp |
4447 |
.Pp |
| 4448 |
In the following example per-interface firewall is created: |
4448 |
In the following example per-interface firewall is created: |
| 4449 |
.Pp |
4449 |
.Pp |