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T5217: Add firewall synproxy
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firewall: T5614: Add support for matching on conntrack helper
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Add option `protocol` for policy local-route
set policy local-route rule 100 destination '192.0.2.12'
set policy local-route rule 100 protocol 'tcp'
set policy local-route rule 100 set table '100'
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Some porvides (like 'namecheap') allow to use '@' or '*' as hostname
prefix for apex and wildcard records. This commit relaxes the hostname
validation to allow these prefixes.
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Enable TTL support for web-service based protocols in addition to
RFC2136 based (nsupdate) protocol.
Since TTL is not supported by all protocols, and thus cannot have a
configuration default, the existing XML snippet `include/dns/time-to-live.xml.i`
does not have common `<defaultValue>300</defaultValue>` anymore and is
instead added explicitly whenever necessary.
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Refactor zone configuration to use shared XML snippet for all cases.
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Add ability to SYNPROXY connections
It is useful to protect against TCP SYN flood attacks and port-scanners
set firewall global-options syn-cookies 'enable'
set firewall ipv4 input filter rule 10 action 'synproxy'
set firewall ipv4 input filter rule 10 destination port '22'
set firewall ipv4 input filter rule 10 inbound-interface interface-name 'eth1'
set firewall ipv4 input filter rule 10 protocol 'tcp'
set firewall ipv4 input filter rule 10 synproxy tcp mss '1460'
set firewall ipv4 input filter rule 10 synproxy tcp window-scale '7'
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user can use VRF, and negated VRF, and configuration wonn't be broken after reboot.
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bgp: T5596: add new features from FRR 9
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isis: T5597: add new features from FRR 9
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`set firewall flowtable <name> interface <ifname>`
`set firewall flowtable <name> offload [software|hardware]`
`set firewall [ipv4|ipv6] forward filter rule N action offload`
`set firewall [ipv4|ipv6] forward filter rule N offload-target <name>`
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* Add support for IS-IS advertise-high-metrics
set protocols isis advertise-high-metrics
* Add support for IS-IS advertise-passive-only
set protocols isis advertise-passive-only
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* Add BGP Software Version capability (draft-abraitis-bgp-version-capability)
set protocols bgp neighbor 192.0.2.1 capability software-version
* Add BGP neighbor path-attribute treat-as-withdraw command
set protocols bgp neighbor 192.0.2.1 path-attribute treat-as-withdraw
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- Moves MSS node out of `tcp-flags.xml.i` and into `tcp-mss.xml.i`
- Update smoketest to verify TCP flag matching
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T4502: firewall: Add software flow offload using flowtable
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In CLI we can choose authentication logic:
- `mandatory` - if RADIUS answered with `Access-Reject`, authentication must
be stopped and access denied immediately.
- `optional` (default) - if RADIUS answers with `Access-Reject`,
authentication continues using the next module.
In `mandatory` mode authentication will be stopped only if RADIUS clearly
answered that access should be denied (no user in RADIUS database, wrong
password, etc.). If RADIUS is not available or other errors happen, it will be
skipped and authentication will continue with the next module, like in
`optional` mode.
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Add the ability to use the option all for remove-private-as.
Remove private ASNs in outbound updates.
all - Apply to all AS numbers
set protocols bgp neighbor <tag> address-family ipv4-unicast remove-private-as all
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The following commands will enable nftables flowtable offload on interfaces eth0 eth1:
```
set firewall global-options flow-offload software interface <name>
set firewall global-options flow-offload hardware interface <name>
```
Generated nftables rules:
```
table inet vyos_offload {
flowtable VYOS_FLOWTABLE_software {
hook ingress priority filter - 1; devices = { eth0, eth1, eth2, eth3 };
counter
}
chain VYOS_OFFLOAD_software {
type filter hook forward priority filter - 1; policy accept;
ct state { established, related } meta l4proto { tcp, udp } flow add @VYOS_FLOWTABLE_software
}
}
```
Use this option to count packets and bytes for each offloaded flow:
```
set system conntrack flow-accounting
```
To verify a connection is offloaded, run
```
cat /proc/net/nf_conntrack|grep OFFLOAD
```
This PR follows firewalld's implementation: https://github.com/firewalld/firewalld/blob/e748b97787d685d0ca93f58e8d4292e87d3f0da6/src/firewall/core/nftables.py#L590
A good introduction to nftables flowtable: https://thermalcircle.de/doku.php?id=blog:linux:flowtables_1_a_netfilter_nftables_fastpath
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T4072: add firewall bridge filtering.
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forward chain and few matchers. Should be extended in the future.
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conntrack: T4309: T4903: Refactor `system conntrack ignore`, add IPv6 support and firewall groups
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add IPv6 support and firewall groups
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wifi: T5491: allow white-/blacklisting station MAC addresses for security
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T5450: allow inverted matcher for interface and interface-group
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firewall cli
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T5447: Initial support for MACsec static keys
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Station MAC address-based authentication means:
* 'allow' accept all clients except the one on the deny list
* 'deny' accept only clients listed on the accept list
New CLI commands:
* set interfaces wireless wlan0 security station-address mode <accept|deny>
* set interfaces wireless wlan0 security station-address accept mac <mac>
* set interfaces wireless wlan0 security station-address deny mac <mac>
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This fixes a CLI typo added in commit 77ef9f800 ("T5466: L3VPN label allocation
mode").
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wireguard: T5409: Added 'set interfaces wireguard wgX threaded'
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Using threaded as CLI node is a very deep term used by kernel threads. To make
this more understandable to users, rename the node to per-client-thread.
It's also not necessary to test if any one peer is configured and probing if
the option is set. There is a base test which requires at least one peer
to be configured.
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setting
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This is only a cosmetic change so that the default value is properly retrieved
from the defaultValue XML node.
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with common matcher for ipv4 and ipv6, and use include on all chains for all this comman matchers
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<drop> to <accept> if default-action is not specified in base chains
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firewall ipv6 name ...> . Also fix some unexpected behaviour with geoip.
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T5014: nat: add source and destination nat options for configuring lo…
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order to avoid empty value and problems when removing such parameters
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wireguard: T5413: Blocked adding the peer with the router's public key
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Disabeled adding the peer with the same public key as the router has.
Added smoketest
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