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T5577: Optimized PAM configs for RADIUS/TACACS+
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This commit adds a new configuration option to the mDNS repeater service
to allow controlling which IP version to use for mDNS repeater.
Additionally, publishing AAAA record over IPv4 and A record over IPv6 is
disabled as suggested.
See:
- https://github.com/lathiat/avahi/issues/117#issuecomment-1651475104
- https://bugzilla.redhat.com/show_bug.cgi?id=669627#c2
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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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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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A `backup` server can be defined to take over in the case of all other
backends failing
set load-balancing reverse-proxy backend <tag> server <tag> address '192.0.2.3'
set load-balancing reverse-proxy backend <tag> server <tag> port '8883'
set load-balancing reverse-proxy backend <tag> server <tag> backup
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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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supports HW flowtable offload
- Add required offload setting for interfaces + flowtable offload (hw-tc-offload)
- Verification of interface support for hardware offloaded flowtables
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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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conntrack: T5571: Refactor conntrack using vyos.configdep
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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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T5586: Disable by default SNMP for Keeplived VRRP service
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T5261: Add AWS load-balancing tunnel handler
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AgentX does not work stable. From time to time we see the system
service crashing/degrading if something is wrong with SNMP from
util net-snmp.
We should disable it by default and enable it only if configured.
set high-availability vrrp snmp
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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 TACACS+ answered with `REJECT`, authentication must be
stopped and access denied immediately.
- `optional` (default) - if TACACS+ answers with `REJECT`, authentication
continues using the next module.
In `mandatory` mode authentication will be stopped only if TACACS+ clearly
answered that access should be denied (no user in TACACS+ database, wrong
password, etc.). If TACACS+ 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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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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webproxy service
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T5518: Add basic MLD support
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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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FRR supports a new way of configuring VLAN-to-VNI mappings for EVPN-VXLAN, when
working with the Linux kernel. In this new way, the mapping of a VLAN to a VNI
is configured against a container VXLAN interface which is referred to as a
'Single VXLAN device (SVD)'.
Multiple VLAN to VNI mappings can be configured against the same SVD. This
allows for a significant scaling of the number of VNIs since a separate VXLAN
interface is no longer required for each VNI.
Sample configuration of SVD with VLAN to VNI mappings is shown below.
set interfaces bridge br0 member interface vxlan0
set interfaces vxlan vxlan0 external
set interfaces vxlan vxlan0 source-interface 'dum0'
set interfaces vxlan vxlan0 vlan-to-vni 10 vni '10010'
set interfaces vxlan vxlan0 vlan-to-vni 11 vni '10011'
set interfaces vxlan vxlan0 vlan-to-vni 30 vni '10030'
set interfaces vxlan vxlan0 vlan-to-vni 31 vni '10031'
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T4072: add firewall bridge filtering.
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Currently VyOS has `protocol igmp` option to enable IGMP querier and reports through FRR's pimd.
I would like to add support for IPv6 as well since FRR's IPv6 multicast functionality has significantly improved.
Enabling both MLD and IGMP on a VyOS router will allow us to turn on multicast snooping on layer-3 switches in dual-stack networks.
Example commands:
```
// Enable on interface eth0
set protocols pim6 interface eth0
// Explicitly join multicast group ff18::1234 on interface eth1
set protocols pim6 interface eth1 mld join ff18::1234
// Explicitly join source-specific multicast group ff38::5678 with source address 2001:db8::1 on interface eth1
set protocols pim6 interface eth1 mld join ff38::5678 source 2001:db8::1
```
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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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interface: T5550: Interface source-validation priority over global value
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T5480: Ability to disable SNMP for keepalived service VRRP
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* netns:
smoketest: T5241: re-work netns assertions and provide common utility helper
netns: T5241: simplify network namespace handling
netns: T5241: improve get_interface_namespace() robustness
netns: T5241: use common interface_exists() helper
netns: T5241: provide is_netns_interface utility helper
T5241: Support netns for veth and dummy interfaces
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By default we enable `--snmp` for keepalived unit service
Add ability to disable it
set high-availability vrrp disable-snmp
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add IPv6 support and firewall groups
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Signed-off-by: Anthony Rabbito <hello@anthonyrabbito.com>
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Signed-off-by: Anthony Rabbito <hello@anthonyrabbito.com>
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https://github.com/sever-sever/vyos-1x into netns
* 'T5241-control-edition' of https://github.com/sever-sever/vyos-1x:
T5241: Support netns for veth and dummy interfaces
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Add AWS load-balancing tunnel handler
https://aws.amazon.com/blogs/networking-and-content-delivery/how-to-integrate-linux-instances-with-aws-gateway-load-balancer/
set service aws glb script on-create '/config/scripts/tmp.sh'
set service aws glb script on-destroy '/config/scripts/tmp.sh'
set service aws glb status format 'simple'
set service aws glb status port '8282'
set service aws glb threads tunnel '4'
set service aws glb threads tunnel-affinity '1-2'
set service aws glb threads udp '4'
set service aws glb threads udp-affinity '0-3'
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T5531: Containers add label option
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Ability to set labels for container
set container name c1 allow-host-networks
set container name c1 image 'busybox'
set container name c1 label mypods value 'My label for containers'
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system-ip: T5449: add TCP MSS probing options
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wifi: T5491: allow white-/blacklisting station MAC addresses for security
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T5448: Add configuration host-name for zabbix-agent
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T5463: Container allow publish listen-addresses
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