Ensure per-account connection limits are used

RendahLevel 1Otomatispostgres

Deskripsi

Limiting concurrent connections to a PostgreSQL server can be used to reduce the risk of Denial of Service (DoS) attacks. Counts login roles with an unlimited (-1) connection limit. Runs psql as ${PGUSER:-postgres} against ${PGDATABASE:-postgres}; set PGHOST/PGPORT and use ~/.pgpass (not PGPASSWORD, see 1.6/1.7) when peer authentication is not available.

Cara pemeriksaan

Metode audit: Kueri SQL

sql_query

out=$(psql -X -U "${PGUSER:-postgres}" -d "${PGDATABASE:-postgres}" -tAc "SELECT count(*) FROM pg_roles WHERE rolname !~ '^pg_' AND rolcanlogin AND rolconnlimit = -1" 2>/dev/null) || exit 1; printf '%s\n' "$out"

Output yang diharapkan: 0

Cara perbaikan

Metode perbaikan: Panduan atau patch infrastruktur

ALTER ROLE <dbuser> CONNECTION LIMIT <reasonable concurrent connection count>; for every login role reported (SELECT rolname FROM pg_roles WHERE rolcanlogin AND rolconnlimit = -1).

Properti

Sistem operasi: Apa saja
Tag: postgresdatabaseauthentication
Referensi: CIS PostgreSQL 18 Benchmark v1.0.0 - 5.5 Ensure per-account connection limits are used

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shell

tmaegis scan --target postgres