{"Entry":{"collection":"conn","key":"sslcrl","name":"sslcrl","aliases":["PGSSLCRL","sslcrl"],"metadata":{"aliases":["PGSSLCRL","sslcrl"],"category":"TLS","content_hash":"a0992cfd79898e1b63e89c5f5d507bd81b9d82d79ef7f028aae12ac4444b6733","derived_content_hash":"424546b19a09ae6b267d97ae859f0cb85e706d3624d92b0bee73686f381145e9","documentation_refresh":{"batch":"20261113","original_source_rev":"","versions":{"14":"14.25","15":"15.20","16":"16.16","17":"17.12","18":"18.7","19":"19rc2"}},"imported_at":"2026-09-30T00:40:35.117386+08:00","name":"sslcrl","name_zh":"","slug":"sslcrl","summary":"This parameter specifies the file name of the SSL server certificate revocation list (CRL). Certificates listed in this file, if it exists, will be rejected while attempting to authenticate the server's certificate. If neither sslcrl nor sslcrldir is set, this setting is taken as ~/.postgresql/root.crl ."}},"Definition":{"Collection":"conn","Key":"sslcrl","SourceDatabase":"center","Version":"18","SourceTable":"connection_parameter","SourceKey":"sslcrl","SourceRevision":"ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8","Facts":{"comparison_data":{"compiled_default_expression":"NULL","default_evidence":[],"definition":"This parameter specifies the file name of the SSL server certificate revocation list (CRL). Certificates listed in this file, if it exists, will be rejected while attempting to authenticate the server's certificate. If neither sslcrl nor sslcrldir is set, this setting is taken as ~/.postgresql/root.crl .","documented":true,"environment":"PGSSLCRL","keyword":"sslcrl"},"comparison_hash":"e2f2c26a503d447ab32cc6c420dc0a69527af4350e08fed99cc4243176259989","default_evidence":[],"description":["This parameter specifies the file name of the SSL server certificate revocation list (CRL). Certificates listed in this file, if it exists, will be rejected while attempting to authenticate the server's certificate. If neither sslcrl nor sslcrldir is set, this setting is taken as ~/.postgresql/root.crl ."],"description_zh":"此参数指定 SSL 服务器证书吊销列表（CRL）的文件名。如果该文件存在，在验证服务器证书时，会拒绝其中列出的证书。如果既未设置 sslcrl ，也未设置 sslcrldir ，则采用 ~/.postgresql/root.crl 。","description_zh_html":"\u003cp\u003e连接参数 sslcrl。\u003c/p\u003e\u003ch3\u003e同版本中文手册定义\u003c/h3\u003e\u003cdd\u003e\u003cp\u003e\n       此参数指定 SSL 服务器证书吊销列表（CRL）的文件名。如果该文件存在，在验证服务器证书时，会拒绝其中列出的证书。如果既未设置 \u003ca class=\"xref\" href=\"/zh/docs/18/libpq-connect.html#LIBPQ-CONNECT-SSLCRL\"\u003esslcrl\u003c/a\u003e，也未设置 \u003ca class=\"xref\" href=\"/zh/docs/18/libpq-connect.html#LIBPQ-CONNECT-SSLCRLDIR\"\u003esslcrldir\u003c/a\u003e，则采用 \u003ccode class=\"filename\"\u003e~/.postgresql/root.crl\u003c/code\u003e。\n      \u003c/p\u003e\u003c/dd\u003e\u003cp\u003e\u003ca href=\"/zh/docs/18/libpq-connect.html#LIBPQ-CONNECT-SSLCRL\"\u003e查看完整中文手册与上下文\u003c/a\u003e。\u003c/p\u003e","documented":true,"environment":[{"description":"PGSSLCRL behaves the same as the sslcrl connection parameter.","name":"PGSSLCRL","source_url":"/docs/18/libpq-envars.html"}],"facts":[{"label":"Client library","value":"libpq 18.6"},{"label":"Manual definition","value":"Documented"},{"label":"Source environment fallback","value":"PGSSLCRL"},{"label":"Compiled fallback expression","value":"NULL"}],"facts_zh":[{"label":"客户端库","value":"libpq 18.6"},{"label":"手册定义","value":"手册已记载"},{"label":"源码中的环境变量回退","value":"PGSSLCRL"},{"label":"编译时回退表达式","value":"NULL"}],"keyword":"sslcrl","manual_html":"\u003cdiv\u003e\u003cdl class=\"variablelist\"\u003e\u003cdt id=\"LIBPQ-CONNECT-SSLCRL\"\u003e\u003cspan class=\"term\"\u003e\u003ccode class=\"literal\"\u003esslcrl\u003c/code\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\n\u003cp\u003eThis parameter specifies the file name of the SSL server certificate revocation list (CRL). Certificates listed in this file, if it exists, will be rejected while attempting to authenticate the server's certificate. If neither \u003ca class=\"xref\" href=\"/docs/18/libpq-connect.html#LIBPQ-CONNECT-SSLCRL\"\u003esslcrl\u003c/a\u003e nor \u003ca class=\"xref\" href=\"/docs/18/libpq-connect.html#LIBPQ-CONNECT-SSLCRLDIR\"\u003esslcrldir\u003c/a\u003e is set, this setting is taken as \u003ccode class=\"filename\"\u003e~/.postgresql/root.crl\u003c/code\u003e.\u003c/p\u003e\n\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","manual_path":"libpq-connect.html#LIBPQ-CONNECT-SSLCRL","precedence_evidence":["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.","Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .","Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."],"related":[{"label":"Connection service file","url":"/docs/18/libpq-pgservice.html"},{"label":"Password file","url":"/docs/18/libpq-pgpass.html"},{"label":"All libpq environment variables","url":"/docs/18/libpq-envars.html"}],"release":{"channel":"stable","evidence_kind":"English manual and source declarations","label":"18.6","major":"18","manifest":{"index":"index.html","major":"18","pages":1148,"pdf":{"A4":{"built_at":"2026-09-26","bytes":15865106,"pages":3154,"sha256":"19512c405da53f9f7fcf0abba359223aa65f021be025bf3411381918f92e3190","url":"/files/documentation/pdf/18/postgresql-18-A4.pdf"},"US":{"built_at":"2026-09-26","bytes":15748059,"pages":3328,"sha256":"facbe6c229e598b872d3d98bef53308f46e06746006fa4590de9a7de9dd46319","url":"/files/documentation/pdf/18/postgresql-18-US.pdf"}},"release":"18.6","source_mode":"en SGML built with pinned official archive","source_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","source_url":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","svg_assets":3,"tree":"18"},"ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8","source_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sections":[{"paragraphs":["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.","Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). 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service=mydb port=5434 将使用主机 somehost 、端口 5434 、用户 admin ，以及由环境变量或内置默认值设置的其他参数。"],"title":"默认值解析与服务文件优先级"},{"paragraphs":["PGSSLCRL 的行为与 sslcrl 连接参数相同。"],"title":"环境变量证据"}],"signature":"sslcrl","source_option":{"compiled_default_expression":"NULL","declaration":"\"sslcrl\", \"PGSSLCRL\", NULL, NULL, \"SSL-Revocation-List\", \"\", 64, offsetof(struct pg_conn, sslcrl)","environment":"PGSSLCRL","keyword":"sslcrl","source_notes":[]},"sources":[{"anchor":"LIBPQ-CONNECT-SSLCRL","file":"libpq-connect.html","label":"18.6 English manual · libpq-connect.html","sha256":"c26a7fc3dcda6066cfe540641ae2690faf3d3c03277f30b4dfc2328ab45c212f","url":"/docs/18/libpq-connect.html#LIBPQ-CONNECT-SSLCRL"},{"archive_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","file":"src/interfaces/libpq/fe-connect.c","label":"18.6 libpq connection option 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连接参数相同。","name":{"text":"PGSSLCRL","url":"/docs/18/libpq-envars.html"}}],"title":"环境变量回退"}],"zh_from":{"authored_translation":"source-derived-identity","body_sha256":"9fedc8384a86f13ea1f336364bc1ed0e081e4c8fea8660a6d1655ad0a6ad6d69","kind":"same-version-chinese-manual-with-source-derived-identity","manual":{"anchor":"LIBPQ-CONNECT-SSLCRL","build_id":107,"extraction":"exact-definition","fragment_sha256":"a76c5e3dafe7d257d33273bd97be97aa2a59bdfec7b263dd7f0ca9eaa147c814","locale":"zh-Hans","page_key":"libpq-connect.html","source_hash":"1555b03a2bc480920a9c72be9683ee3ddf99e8a5c17267c0dca73c42cd50e44c","source_revision":"unknown:rendered-translation-baseline","translated_from_revision":null,"translation_revision":"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b","url":"/zh/docs/18/libpq-connect.html#LIBPQ-CONNECT-SSLCRL","version":"18"},"runtime_rerun":false,"source_facts_revision":"ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8"}},"ManualEvidence":{"manual_path":"libpq-connect.html#LIBPQ-CONNECT-SSLCRL","release":{"channel":"stable","evidence_kind":"English 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archive","source_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","source_url":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","svg_assets":3,"tree":"18"},"ref":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2","revision":"ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8","source_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"},"sources":[{"anchor":"LIBPQ-CONNECT-SSLCRL","file":"libpq-connect.html","label":"18.6 English manual · libpq-connect.html","sha256":"c26a7fc3dcda6066cfe540641ae2690faf3d3c03277f30b4dfc2328ab45c212f","url":"/docs/18/libpq-connect.html#LIBPQ-CONNECT-SSLCRL"},{"archive_sha256":"555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f","file":"src/interfaces/libpq/fe-connect.c","label":"18.6 libpq connection option declarations","sha256":"44a6e386cbfd67ebe768d6ef5493098119c2e6b4796239d53e5ed7b122b206a5","url":"https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2"},{"anchor":"","file":"libpq-envars.html","label":"18.6 English manual · libpq-envars.html","sha256":"d64db73f3d48127bb984a5f775e77b7bcca2ba4bd218333cf24a45fcdd7c4363","url":"/docs/18/libpq-envars.html"},{"anchor":"","file":"libpq-pgservice.html","label":"18.6 English manual · libpq-pgservice.html","sha256":"6035a3f0ee1d0fd80db5bf58834390b884eecd23206659bdf6f07560deea5aa7","url":"/docs/18/libpq-pgservice.html"}]},"MeasuredEvidence":{}},"Text":{"Collection":"conn","Key":"sslcrl","SourceDatabase":"center","Version":"18","Locale":"en","Title":"sslcrl","Summary":"This parameter specifies the file name of the SSL server certificate revocation list (CRL). Certificates listed in this file, if it exists, will be rejected while attempting to authenticate the server's certificate. If neither sslcrl nor sslcrldir is set, this setting is taken as ~/.postgresql/root.crl .","BodyHTML":"\u003cdiv\u003e\u003cdl\u003e\u003cdt id=\"LIBPQ-CONNECT-SSLCRL\"\u003e\u003cspan\u003e\u003ccode\u003esslcrl\u003c/code\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\n\u003cp\u003eThis parameter specifies the file name of the SSL server certificate revocation list (CRL). Certificates listed in this file, if it exists, will be rejected while attempting to authenticate the server\u0026#39;s certificate. If neither \u003ca href=\"/docs/18/libpq-connect.html#LIBPQ-CONNECT-SSLCRL\" rel=\"nofollow\"\u003esslcrl\u003c/a\u003e nor \u003ca href=\"/docs/18/libpq-connect.html#LIBPQ-CONNECT-SSLCRLDIR\" rel=\"nofollow\"\u003esslcrldir\u003c/a\u003e is set, this setting is taken as \u003ccode\u003e~/.postgresql/root.crl\u003c/code\u003e.\u003c/p\u003e\n\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","SourceRevision":"ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8","ContentHash":"e12a058251fd8d0b8f40ad5c11c14b207b6f769664bba8ca142b3bb1bb3676df","Payload":{"description":["This parameter specifies the file name of the SSL server certificate revocation list (CRL). Certificates listed in this file, if it exists, will be rejected while attempting to authenticate the server's certificate. If neither sslcrl nor sslcrldir is set, this setting is taken as ~/.postgresql/root.crl ."],"manual_html":"\u003cdiv\u003e\u003cdl class=\"variablelist\"\u003e\u003cdt id=\"LIBPQ-CONNECT-SSLCRL\"\u003e\u003cspan class=\"term\"\u003e\u003ccode class=\"literal\"\u003esslcrl\u003c/code\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\n\u003cp\u003eThis parameter specifies the file name of the SSL server certificate revocation list (CRL). Certificates listed in this file, if it exists, will be rejected while attempting to authenticate the server's certificate. If neither \u003ca class=\"xref\" href=\"/docs/18/libpq-connect.html#LIBPQ-CONNECT-SSLCRL\"\u003esslcrl\u003c/a\u003e nor \u003ca class=\"xref\" href=\"/docs/18/libpq-connect.html#LIBPQ-CONNECT-SSLCRLDIR\"\u003esslcrldir\u003c/a\u003e is set, this setting is taken as \u003ccode class=\"filename\"\u003e~/.postgresql/root.crl\u003c/code\u003e.\u003c/p\u003e\n\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","related":[{"label":"Connection service file","url":"/docs/18/libpq-pgservice.html"},{"label":"Password file","url":"/docs/18/libpq-pgpass.html"},{"label":"All libpq environment variables","url":"/docs/18/libpq-envars.html"}],"sections":[{"paragraphs":["The following environment variables can be used to select default connection parameter values, which will be used by PQconnectdb , PQsetdbLogin and PQsetdb if no value is directly specified by the calling code. These are useful to avoid hard-coding database connection information into simple client applications, for example.","Service names can be defined in either a per-user service file or a system-wide file. If the same service name exists in both the user and the system file, the user file takes precedence. By default, the per-user service file is named ~/.pg_service.conf . On Microsoft Windows, it is named %APPDATA%\\postgresql\\.pg_service.conf (where %APPDATA% refers to the Application Data subdirectory in the user's profile). A different file name can be specified by setting the environment variable PGSERVICEFILE . The system-wide file is named pg_service.conf . By default it is sought in the etc directory of the PostgreSQL installation (use pg_config --sysconfdir to identify this directory precisely). Another directory, but not a different file name, can be specified by setting the environment variable PGSYSCONFDIR .","Connection parameters obtained from a service file are combined with parameters obtained from other sources. A service file setting overrides the corresponding environment variable, and in turn can be overridden by a value given directly in the connection string. For example, using the above service file, a connection string service=mydb port=5434 will use host somehost , port 5434 , user admin , and other parameters as set by environment variables or built-in defaults."],"title":"Default resolution and service-file precedence"},{"paragraphs":["PGSSLCRL behaves the same as the sslcrl connection parameter."],"title":"Environment variable evidence"}],"tables":[{"columns":[{"key":"name","label":"Variable"},{"key":"description","label":"Documented behavior"}],"key":"environment","rows":[{"description":"PGSSLCRL behaves the same as the sslcrl connection parameter.","name":{"text":"PGSSLCRL","url":"/docs/18/libpq-envars.html"}}],"title":"Environment fallback"}]}},"RequestedLocale":"en","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":null,"Spellings":null,"SQLState":null,"Evidence":null}