HTTP/2 200 server: nginx content-type: text/plain;charset=UTF-8 content-security-policy: default-src 'self'; connect-src 'self' *.google-analytics.com; img-src 'self' data: www.google-analytics.com www.googletagmanager.com; script-src 'self' 'unsafe-inline' www.google-analytics.com www.googletagmanager.com; style-src 'self'; report-uri /csp-reports content-encoding: gzip accept-ranges: bytes age: 0 date: Thu, 31 Jul 2025 09:16:31 GMT via: 1.1 varnish x-served-by: cache-bom-vanm7210064-BOM x-cache: MISS x-cache-hits: 0 x-timer: S1753953390.480215,VS0,VE668 vary: Accept-Encoding strict-transport-security: max-age=31557600 content-length: 369 =over =item socket SOCKET,DOMAIN,TYPE,PROTOCOL X Opens a socket of the specified kind and attaches it to filehandle SOCKET. DOMAIN, TYPE, and PROTOCOL are specified the same as for the syscall of the same name. You should C first to get the proper definitions imported. See the examples in L. On systems that support a close-on-exec flag on files, the flag will be set for the newly opened file descriptor, as determined by the value of L|perlvar/$^F>. See L. =back