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\u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGGSSENCMODE \u7684\u884c\u4e3a\u4e0e gssencmode \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "signature": "gssencmode", "documented": true, "description": ["\u51b3\u5b9a\u662f\u5426\u4e0e\u670d\u52a1\u5668\u534f\u5546\u5b89\u5168\u7684 GSS TCP/IP \u8fde\u63a5\uff0c\u4ee5\u53ca\u534f\u5546\u65f6\u7684\u4f18\u5148\u7ea7\u3002\u5171\u6709\u4e09\u79cd\u6a21\u5f0f\uff1a"], "environment": [{"name": "PGGSSENCMODE", "source_url": "/docs/12/libpq-envars.html", "description": "PGGSSENCMODE behaves the same as the gssencmode connection parameter."}], "manual_html": "
gssencmode
\n

\u51b3\u5b9a\u662f\u5426\u4e0e\u670d\u52a1\u5668\u534f\u5546\u5b89\u5168\u7684 GSS TCP/IP \u8fde\u63a5\uff0c\u4ee5\u53ca\u534f\u5546\u65f6\u7684\u4f18\u5148\u7ea7\u3002\u5171\u6709\u4e09\u79cd\u6a21\u5f0f\uff1a

\n
\n
\n
disable
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\n

\u4ec5\u5c1d\u8bd5\u4e0d\u4f7f\u7528 GSSAPI \u52a0\u5bc6\u7684\u8fde\u63a5\u3002

\n
\n
prefer\uff08\u9ed8\u8ba4\u503c\uff09
\n
\n

\u5982\u679c\u5b58\u5728 GSSAPI \u51ed\u636e\uff0c\u5373\u51ed\u636e\u7f13\u5b58\u4e2d\u6709\u53ef\u7528\u51ed\u636e\uff0c\u5219\u5148\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\uff1b\u5931\u8d25\u6216\u6ca1\u6709\u51ed\u636e\u65f6\uff0c\u518d\u5c1d\u8bd5\u4e0d\u4f7f\u7528 GSSAPI \u52a0\u5bc6\u7684\u8fde\u63a5\u3002PostgreSQL \u6784\u5efa\u65f6\u542f\u7528\u4e86 GSSAPI \u652f\u6301\u65f6\uff0c\u8fd9\u662f\u9ed8\u8ba4\u884c\u4e3a\u3002

\n
\n
require
\n
\n

\u4ec5\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
\n
\n
\n

Unix \u57df\u5957\u63a5\u5b57\u901a\u4fe1\u5ffd\u7565 gssencmode\u3002\u5982\u679c PostgreSQL \u6784\u5efa\u65f6\u672a\u542f\u7528 GSSAPI \u652f\u6301\uff0crequire \u4f1a\u62a5\u9519\uff1bprefer \u4f1a\u88ab\u63a5\u53d7\uff0c\u4f46 libpq \u5b9e\u9645\u4e0d\u4f1a\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
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gssencmode
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disable
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prefer\uff08\u9ed8\u8ba4\u503c\uff09
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require
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\u4ec5\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

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Unix \u57df\u5957\u63a5\u5b57\u901a\u4fe1\u5ffd\u7565 gssencmode\u3002\u5982\u679c PostgreSQL \u6784\u5efa\u65f6\u672a\u542f\u7528 GSSAPI \u652f\u6301\uff0crequire \u4f1a\u62a5\u9519\uff1bprefer \u4f1a\u88ab\u63a5\u53d7\uff0c\u4f46 libpq \u5b9e\u9645\u4e0d\u4f1a\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
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Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", 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gssencmode
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disable
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prefer\uff08\u9ed8\u8ba4\u503c\uff09
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\u5982\u679c\u5b58\u5728 GSSAPI \u51ed\u636e\uff0c\u5373\u51ed\u636e\u7f13\u5b58\u4e2d\u6709\u53ef\u7528\u51ed\u636e\uff0c\u5219\u5148\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\uff1b\u5931\u8d25\u6216\u6ca1\u6709\u51ed\u636e\u65f6\uff0c\u518d\u5c1d\u8bd5\u4e0d\u4f7f\u7528 GSSAPI \u52a0\u5bc6\u7684\u8fde\u63a5\u3002PostgreSQL \u6784\u5efa\u65f6\u542f\u7528\u4e86 GSSAPI \u652f\u6301\u65f6\uff0c\u8fd9\u662f\u9ed8\u8ba4\u884c\u4e3a\u3002

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require
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\u4ec5\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

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Unix \u57df\u5957\u63a5\u5b57\u901a\u4fe1\u5ffd\u7565 gssencmode\u3002\u5982\u679c PostgreSQL \u6784\u5efa\u65f6\u672a\u542f\u7528 GSSAPI \u652f\u6301\uff0crequire \u4f1a\u62a5\u9519\uff1bprefer \u4f1a\u88ab\u63a5\u53d7\uff0c\u4f46 libpq \u5b9e\u9645\u4e0d\u4f1a\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
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gssencmode
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disable
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prefer\uff08\u9ed8\u8ba4\u503c\uff09
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require
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\u4ec5\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

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Unix \u57df\u5957\u63a5\u5b57\u901a\u4fe1\u5ffd\u7565 gssencmode\u3002\u5982\u679c PostgreSQL \u6784\u5efa\u65f6\u672a\u542f\u7528 GSSAPI \u652f\u6301\uff0crequire \u4f1a\u62a5\u9519\uff1bprefer \u4f1a\u88ab\u63a5\u53d7\uff0c\u4f46 libpq \u5b9e\u9645\u4e0d\u4f1a\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
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gssencmode
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disable
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prefer\uff08\u9ed8\u8ba4\u503c\uff09
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require
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Unix \u57df\u5957\u63a5\u5b57\u901a\u4fe1\u5ffd\u7565 gssencmode\u3002\u5982\u679c PostgreSQL \u6784\u5efa\u65f6\u672a\u542f\u7528 GSSAPI \u652f\u6301\uff0crequire \u4f1a\u62a5\u9519\uff1bprefer \u4f1a\u88ab\u63a5\u53d7\uff0c\u4f46 libpq \u5b9e\u9645\u4e0d\u4f1a\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
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Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", 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gssencmode
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disable
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prefer\uff08\u9ed8\u8ba4\u503c\uff09
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require
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\u4ec5\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

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Unix \u57df\u5957\u63a5\u5b57\u901a\u4fe1\u5ffd\u7565 gssencmode\u3002\u5982\u679c PostgreSQL \u6784\u5efa\u65f6\u672a\u542f\u7528 GSSAPI \u652f\u6301\uff0crequire \u4f1a\u62a5\u9519\uff1bprefer \u4f1a\u88ab\u63a5\u53d7\uff0c\u4f46 libpq \u5b9e\u9645\u4e0d\u4f1a\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
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Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", 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gssencmode
\n

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disable
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prefer\uff08\u9ed8\u8ba4\u503c\uff09
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require
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\u4ec5\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

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\n
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Unix \u57df\u5957\u63a5\u5b57\u901a\u4fe1\u5ffd\u7565 gssencmode\u3002\u5982\u679c PostgreSQL \u6784\u5efa\u65f6\u672a\u542f\u7528 GSSAPI \u652f\u6301\uff0crequire \u4f1a\u62a5\u9519\uff1bprefer \u4f1a\u88ab\u63a5\u53d7\uff0c\u4f46 libpq \u5b9e\u9645\u4e0d\u4f1a\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
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gssencmode
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disable
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prefer\uff08\u9ed8\u8ba4\u503c\uff09
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\n
require
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\u4ec5\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
\n
\n
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Unix \u57df\u5957\u63a5\u5b57\u901a\u4fe1\u5ffd\u7565 gssencmode\u3002\u5982\u679c PostgreSQL \u6784\u5efa\u65f6\u672a\u542f\u7528 GSSAPI \u652f\u6301\uff0crequire \u4f1a\u62a5\u9519\uff1bprefer \u4f1a\u88ab\u63a5\u53d7\uff0c\u4f46 libpq \u5b9e\u9645\u4e0d\u4f1a\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
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gssencmode
\n

\u51b3\u5b9a\u662f\u5426\u4e0e\u670d\u52a1\u5668\u534f\u5546\u5b89\u5168\u7684 GSS TCP/IP \u8fde\u63a5\uff0c\u4ee5\u53ca\u534f\u5546\u65f6\u7684\u4f18\u5148\u7ea7\u3002\u5171\u6709\u4e09\u79cd\u6a21\u5f0f\uff1a

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\n
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disable
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\u4ec5\u5c1d\u8bd5\u4e0d\u4f7f\u7528 GSSAPI \u52a0\u5bc6\u7684\u8fde\u63a5\u3002

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prefer\uff08\u9ed8\u8ba4\u503c\uff09
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\u5982\u679c\u5b58\u5728 GSSAPI \u51ed\u636e\uff0c\u5373\u51ed\u636e\u7f13\u5b58\u4e2d\u6709\u53ef\u7528\u51ed\u636e\uff0c\u5219\u5148\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\uff1b\u5931\u8d25\u6216\u6ca1\u6709\u51ed\u636e\u65f6\uff0c\u518d\u5c1d\u8bd5\u4e0d\u4f7f\u7528 GSSAPI \u52a0\u5bc6\u7684\u8fde\u63a5\u3002PostgreSQL \u6784\u5efa\u65f6\u542f\u7528\u4e86 GSSAPI \u652f\u6301\u65f6\uff0c\u8fd9\u662f\u9ed8\u8ba4\u884c\u4e3a\u3002

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\n
require
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\n

\u4ec5\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
\n
\n
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Unix \u57df\u5957\u63a5\u5b57\u901a\u4fe1\u5ffd\u7565 gssencmode\u3002\u5982\u679c PostgreSQL \u6784\u5efa\u65f6\u672a\u542f\u7528 GSSAPI \u652f\u6301\uff0crequire \u4f1a\u62a5\u9519\uff1bprefer \u4f1a\u88ab\u63a5\u53d7\uff0c\u4f46 libpq \u5b9e\u9645\u4e0d\u4f1a\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
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["\u4ee5\u4e0b\u73af\u5883\u53d8\u91cf\u53ef\u7528\u4e8e\u9009\u62e9\u8fde\u63a5\u53c2\u6570\u7684\u9ed8\u8ba4\u503c\uff0c\u4f9b PQconnectdb \u3001 PQsetdbLogin \u548c PQsetdb \u5728\u8c03\u7528\u4ee3\u7801\u672a\u76f4\u63a5\u6307\u5b9a\u53c2\u6570\u503c\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u7b80\u5355\u7684\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u786c\u7f16\u7801\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002", "\u670d\u52a1\u540d\u79f0\u53ef\u4ee5\u5728\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u6216\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002\u5982\u679c\u540c\u4e00\u4e2a\u670d\u52a1\u540d\u79f0\u5b58\u5728\u4e8e\u7528\u6237\u6587\u4ef6\u548c\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u5219\u7528\u6237\u6587\u4ef6\u4f18\u5148\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u670d\u52a1\u6587\u4ef6\u540d\u4e3a ~/.pg_service.conf \u3002\u5728Microsoft Windows\u4e0a\uff0c\u5b83\u7684\u540d\u79f0\u4e3a %APPDATA%\\postgresql\\.pg_service.conf \uff08\u5176\u4e2d %APPDATA% \u6307\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u5939\u4e2d\u7684\u5e94\u7528\u6570\u636e\u5b50\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSERVICEFILE \u6765\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u540d\u4e3a pg_service.conf \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5728 PostgreSQL \u5b89\u88c5\u7684 etc \u76ee\u5f55\u4e2d\u5bfb\u627e\uff08\u4f7f\u7528 pg_config --sysconfdir \u6765\u51c6\u786e\u8bc6\u522b\u6b64\u76ee\u5f55\uff09\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf PGSYSCONFDIR \u6765\u6307\u5b9a\u53e6\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u4e0d\u80fd\u6307\u5b9a\u4e0d\u540c\u7684\u6587\u4ef6\u540d\u3002", "\u4ece\u670d\u52a1\u6587\u4ef6\u4e2d\u83b7\u53d6\u7684\u8fde\u63a5\u53c2\u6570\u4f1a\u4e0e\u5176\u4ed6\u6765\u6e90\u7684\u53c2\u6570\u5408\u5e76\u3002\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u4f1a\u8986\u76d6\u76f8\u5e94\u7684\u73af\u5883\u53d8\u91cf\uff0c\u800c\u8fde\u63a5\u5b57\u7b26\u4e32\u4e2d\u76f4\u63a5\u7ed9\u51fa\u7684\u503c\u53c8\u4f1a\u8986\u76d6\u670d\u52a1\u6587\u4ef6\u4e2d\u7684\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e0a\u8ff0\u670d\u52a1\u6587\u4ef6\u65f6\uff0c\u8fde\u63a5\u5b57\u7b26\u4e32 service=mydb port=5434 \u5c06\u4f7f\u7528\u4e3b\u673a somehost \u3001\u7aef\u53e3 5434 \u3001\u7528\u6237 admin \uff0c\u4ee5\u53ca\u7531\u73af\u5883\u53d8\u91cf\u6216\u5185\u7f6e\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u7684\u5176\u4ed6\u53c2\u6570\u3002"]}, {"title": "\u73af\u5883\u53d8\u91cf\u8bc1\u636e", "paragraphs": ["PGGSSENCMODE \u7684\u884c\u4e3a\u4e0e gssencmode \u8fde\u63a5\u53c2\u6570\u76f8\u540c\u3002"]}], "signature": "gssencmode", "documented": true, "description": ["\u51b3\u5b9a\u662f\u5426\u4e0e\u670d\u52a1\u5668\u534f\u5546\u5b89\u5168\u7684 GSS TCP/IP \u8fde\u63a5\uff0c\u4ee5\u53ca\u534f\u5546\u65f6\u7684\u4f18\u5148\u7ea7\u3002\u5171\u6709\u4e09\u79cd\u6a21\u5f0f\uff1a"], "environment": [{"name": "PGGSSENCMODE", "source_url": "/docs/18/libpq-envars.html", "description": "PGGSSENCMODE behaves the same as the gssencmode connection parameter."}], "manual_html": "
gssencmode
\n

\u51b3\u5b9a\u662f\u5426\u4e0e\u670d\u52a1\u5668\u534f\u5546\u5b89\u5168\u7684 GSS TCP/IP \u8fde\u63a5\uff0c\u4ee5\u53ca\u534f\u5546\u65f6\u7684\u4f18\u5148\u7ea7\u3002\u5171\u6709\u4e09\u79cd\u6a21\u5f0f\uff1a

\n
\n
\n
disable
\n
\n

\u4ec5\u5c1d\u8bd5\u4e0d\u4f7f\u7528 GSSAPI \u52a0\u5bc6\u7684\u8fde\u63a5\u3002

\n
\n
prefer\uff08\u9ed8\u8ba4\u503c\uff09
\n
\n

\u5982\u679c\u5b58\u5728 GSSAPI \u51ed\u636e\uff0c\u5373\u51ed\u636e\u7f13\u5b58\u4e2d\u6709\u53ef\u7528\u51ed\u636e\uff0c\u5219\u5148\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\uff1b\u5931\u8d25\u6216\u6ca1\u6709\u51ed\u636e\u65f6\uff0c\u518d\u5c1d\u8bd5\u4e0d\u4f7f\u7528 GSSAPI \u52a0\u5bc6\u7684\u8fde\u63a5\u3002PostgreSQL \u6784\u5efa\u65f6\u542f\u7528\u4e86 GSSAPI \u652f\u6301\u65f6\uff0c\u8fd9\u662f\u9ed8\u8ba4\u884c\u4e3a\u3002

\n
\n
require
\n
\n

\u4ec5\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
\n
\n
\n

Unix \u57df\u5957\u63a5\u5b57\u901a\u4fe1\u5ffd\u7565 gssencmode\u3002\u5982\u679c PostgreSQL \u6784\u5efa\u65f6\u672a\u542f\u7528 GSSAPI \u652f\u6301\uff0crequire \u4f1a\u62a5\u9519\uff1bprefer \u4f1a\u88ab\u63a5\u53d7\uff0c\u4f46 libpq \u5b9e\u9645\u4e0d\u4f1a\u5c1d\u8bd5 GSSAPI \u52a0\u5bc6\u8fde\u63a5\u3002

\n
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There are three modes:", "/versions/18/facts/0/label": "Client library", "/versions/18/facts/1/label": "Manual definition", "/versions/18/facts/1/value": "Documented", "/versions/18/facts/2/label": "Source environment fallback", "/versions/18/facts/3/label": "Compiled fallback expression", "/versions/18/tables/0/title": "Environment fallback", "/versions/18/related/0/label": "Connection service file", "/versions/18/related/1/label": "Password file", "/versions/18/related/2/label": "All libpq environment variables", "/versions/18/sections/0/title": "Default resolution and service-file precedence", "/versions/18/sections/1/title": "Environment variable evidence", "/versions/18/sections/0/paragraphs/0": "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.", "/versions/18/sections/0/paragraphs/1": "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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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.", "/versions/18/sections/1/paragraphs/0": "PGGSSENCMODE behaves the same as the gssencmode connection parameter.", "/versions/18/tables/0/columns/0/label": "Variable", "/versions/18/tables/0/columns/1/label": "Documented behavior", "/versions/18/tables/0/rows/0/description": "PGGSSENCMODE behaves the same as the gssencmode connection parameter."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "71625c4e20336f5957472395e194a8cb812188a980d7e05e9c5720ee8d92fbae"}, "source_option": {"keyword": "gssencmode", "declaration": "\"gssencmode\", \"PGGSSENCMODE\", DefaultGSSMode, NULL, \"GSSENC-Mode\", \"\", 8, offsetof(struct pg_conn, gssencmode)", "environment": "PGGSSENCMODE", "source_notes": [], "compiled_default_expression": "DefaultGSSMode"}, "comparison_data": {"keyword": "gssencmode", "definition": "This option determines whether or with what priority a secure GSS TCP/IP connection will be negotiated with the server. There are three modes: disable only try a non- GSSAPI -encrypted connection prefer (default) if there are GSSAPI credentials present (i.e., in a credentials cache), first try a GSSAPI -encrypted connection; if that fails or there are no credentials, try a non- GSSAPI -encrypted connection. This is the default when PostgreSQL has been compiled with GSSAPI support. require only try a GSSAPI -encrypted connection gssencmode is ignored for Unix domain socket communication. If PostgreSQL is compiled without GSSAPI support, using the require option will cause an error, while prefer will be accepted but libpq will not actually attempt a GSSAPI -encrypted connection.", "documented": true, "environment": "PGGSSENCMODE", "default_evidence": ["if there are GSSAPI credentials present (i.e., in a credentials cache), first try a GSSAPI -encrypted connection; if that fails or there are no credentials, try a non- GSSAPI -encrypted connection. 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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."]}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}