graylog-deploy/rules/rule88_a10_bgp_maxpfx_warning.json
byrsapty b0e4095cae Add A10 ACOS (LSN/CGNAT + BGP) pipeline rules from real captured syslog
8 new rules (vendor=a10) wired into Network Equipment Parsing: LSN
TCP/Session/ICMP per-user quota exceeded (critical - real service
impact, drops new connections for that subscriber), BGP-4-MAXPFX
prefix-limit warning, and admin session open/close/timeout/auth-success
(aXAPI and CLI both covered by one pattern each).

Unlike the CSV-report-derived rules, these are built directly from
real captured A10 log output the user provided, so confidence is
higher - closer to the accel-ppp rules' provenance. Multi-entry LSN
lines (several 'ip(count)' pairs in one quota-exceeded message) only
have their first pair extracted into fields; the full list stays in
the raw message.

Not live-verified - the user is bringing the target system up
themselves this time rather than through the test container used
earlier in this branch of work.
2026-08-28 13:22:41 +03:00

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{
"title": "a10_bgp_maxpfx_warning",
"description": "A10 Router process: BGP peer approaching its configured max-prefix limit (IPv4 Unicast) - early warning before the session would be reset for exceeding it. Built from real captured A10 syslog output.",
"source": "rule \"a10_bgp_maxpfx_warning\"\nwhen\n contains(to_string($message.message), \"BGP-4-MAXPFX\")\nthen\n set_field(\"vendor\", \"a10\");\n set_field(\"event_type\", \"bgp_maxpfx_warning\");\n set_field(\"severity_tag\", \"warning\");\n let m = regex(\"from (\\\\S+) \\\\(IPv4 Unicast\\\\): reaches (\\\\d+), max (\\\\d+)\", to_string($message.message), [\"peer\",\"count\",\"max\"]);\n set_field(\"bgp_peer\", m[\"peer\"]);\n set_field(\"bgp_prefix_count\", to_long(m[\"count\"]));\n set_field(\"bgp_prefix_max\", to_long(m[\"max\"]));\nend"
}