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It is possible to install a route-map which filters the routes between routing
daemons and the OS kernel (zebra)
As of now this can be done by e.g.
* set protocols ospf route-map foo
* set protocols ospfv3 route-map foo
* set protocols bgp route-map foo
Which in turn will install the following lines into FRR
* ip protocol ospf route-map foo
* ipv6 protocol ospf6 route-map foo
* ip protocol bgp route-map foo
The current state of the VyOS CLI is incomplete as there is no way to:
* Install a filter for BGP IPv6 routes
* Install a filter for static routes
* Install a filter for connected routes
Thus the CLI should be redesigned to close match what FRR does for both the
default and any other VRF
* set system ip protocol ospf route-map foo
* set system ipv6 protocol ospfv3 route-map foo
* set system ip protocol bgp route-map foo
* set system ipv6 protocol bgp route-map foo
The configuration can be migrated accordingly. This commit does not come with
the migrator, it will be comitted later.
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dns: T5143: Apply constraint for domain name in DNS forwarding
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T5081: ISIS and OSPF syncronization with IGP-LDP sync
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Initially the option 'rate-limit' was implemented with the
wrong place in the CLI:
set vpn pptp remote-access authentication rate-limit <xxx>
Expected under 'radius' section:
set vpn pptp remote-access authentication radius rate-limit <xxx>
Configuration for 'rate-limit' (Jinja2 template) never worked for
pptp, fix it.
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There is only one target for checking ICMP/ARP
Extend it for checking multiple targets
set protocols failover route 192.0.2.55/32 next-hop 192.168.122.1 check target '203.0.113.1'
set protocols failover route 192.0.2.55/32 next-hop 192.168.122.1 check target '203.0.113.11'
The route will be installed only if all targets are 'alive'
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maxsyslogins
maximum number of all logins on system; user is not
allowed to log-in if total number of all user logins is
greater than specified number (this limit does not apply
to user with uid=0)
set system login max-login-session 2
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This will prevent arbitrary strings from being entered as domain names.
Additionally, reuse the fqdn validator instead of a custom regex.
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IKE lifetime should starting from 0 for disabling rekeying
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Container networks now can be bound to a specific VRF instance.
set vrf name <foo> table <xxx>
set container network <name> vrf <foo>
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Remove redundant XML CLI node definitions for the common description node by
referencing the common building block.
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We now support assigning discrete IPv6 addresses to a container.
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include at least one wildcarded interface
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This would allow using custom ports in name server operating on non-
default port for forwarding zones.
This is a follow-up to T5113 for sake of completeness and having
consistent treatment of all name servers configured in PowerDNS recursor.
Additionally, migrate `service dns forwarding domain example.com server`
to `service dns forwarding domain foo3.com name-server` for consistency
and reusability.
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Support custom port for name-server forwarders that would allow using
custom ports in name server forwarders to enable forwarding to
alternative name servers (unbound, stubby, dnscrypt-proxy etc.)
operating on non-default port.
This would also allow using DNS Over TLS in PowerDNS Recursor 4.6 onwards
(pdns doesn't support certificate check for validity yet) by enabling
'dot-to-port-853'. This is set by default if compiled in with DoT support.
See: https://doc.powerdns.com/recursor/settings.html#dot-to-port-853
This also partially implements T921, T2195 (DoT without certificate check).
Implementation details:
- In 'dns/forwarding' configuration, 'name-server' now allows optional
'port' (defaults to 53).
- Instead of modifying 'name-server-ipv4-ipv6.xml.i' to add optional
'port', a new file 'name-server-ipv4-ipv6-port.xml.i' has been used
to avoid impacting other places where it is reused because not all of
them honor ports (mostly VPN related).
- The `host:port` entries to be used by PowerDNS recursor config are
normalized eagerly at the point of loading VyOS `Config` instead of
doing them lazily while rendering the Jinja2 template to keep the
implementation less intrusive. The alternative would entail making
quite a bit of change in how 'vyos-hostsd' processes 'static'
'name_servers' entries or persists their runtime states.
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This is basic configuration to enable NTS support in chrony.
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regex
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T5099: IPoE-server add option next-pool for named ip pools
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In cases with multiple named IP pools, it is required the option 'next'
to be sure that if IP addresses ended in one pool, then they would
begin to be allocated from the next named pool.
For accel-ppp it requires specific order as pool must be defined
before we can use it with the 'next-option'
set service ipoe-server client-ip-pool name first-pool subnet '192.0.2.0/25'
set service ipoe-server client-ip-pool name first-pool next-pool 'second-pool'
set service ipoe-server client-ip-pool name second-pool subnet '203.0.113.0/25'
[ip-pool]
203.0.113.0/25,name=second-pool
192.0.2.0/25,name=first-pool,next=second-pool
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T5050: Firewall: Add log options
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hsflowd will export the headers of dropped packets (along with the
name of the function in the Linux kernel where that skb was dropped)
as part of the standard sFlow feed.
This measurement complements the sFlow packet sampling and
counter-telemetry well because it provides visibility into the
traffic that is not flowing.
Very helpful for troubleshooting.
The limit (a rate limit max of N drops per second sent out in the
sFlow datagrams) is the parameter you would set in the CLI.
set system sflow drop-monitor-limit 50
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T5086: Add sFlow feature based on hsflowd
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Add sFlow feature based on hsflowd
According to user reviews, it works more stable and more productive
than pmacct
I haven't deleted 'pmacct' 'system flow-accounting sflow' yet
It could be migrated or deprecated later
set system sflow agent-address '192.0.2.14'
set system sflow interface 'eth0'
set system sflow interface 'eth1'
set system sflow polling '30'
set system sflow sampling-rate '100'
set system sflow server 192.0.2.1 port '6343'
set system sflow server 192.0.2.11 port '6343'
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T5055: NAT: extend packet-type to NAT
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in firewall, to NAT
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T5055: Firewall: add packet-type matcher in firewall and route policy
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Container registry CLI node changed from leafNode to tagNode with the same
defaults. In addition we can now configure an authentication option per
registry.
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Since glibc 2.7, the SHA-256 and SHA-512 implementations support
a user-supplied number of hashing rounds, defaulting to 5000. If
the "$id$" characters in the salt are followed by "rounds=xxx$",
where xxx is an integer, then the result has the form
$id$rounds=yyy$salt$encrypted
where yyy is the number of hashing rounds actually used. The
number of rounds actually used is 1000 if xxx is less than 1000,
999999999 if xxx is greater than 999999999, and is equal to xxx
otherwise.
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policy: T5035: Add more actions to policy route rule
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