{"id":420,"date":"2004-09-15T17:10:00","date_gmt":"2004-09-15T17:10:00","guid":{"rendered":"http:\/\/markwilson.me.uk\/blog\/2004\/09\/useful-tcp-and-udp-port-numbers.htm"},"modified":"2007-05-21T23:25:01","modified_gmt":"2007-05-21T22:25:01","slug":"useful-tcp-and-udp-port-numbers","status":"publish","type":"post","link":"https:\/\/www.markwilson.co.uk\/blog\/2004\/09\/useful-tcp-and-udp-port-numbers.htm","title":{"rendered":"Useful TCP and UDP port numbers"},"content":{"rendered":"<p><!--109527042919357735-->Having spent the afternoon configuring Windows Firewall exceptions, I thought I&#8217;d post some links to useful port number information.<\/p>\n<p>Of course, %systemroot%\\system32\\drivers\\etc\\services contains port numbers for well-known services defined by IANA, but this is an incomplete list and the up-to-date version is on the IANA <a href=\"http:\/\/www.iana.org\/assignments\/port-numbers\">website<\/a>.<\/p>\n<p>Although now out of date (superseded by the <a href=\"http:\/\/www.faqs.org\/rfcs\/rfc3232.html\">RFC 3232<\/a> online database), the <a href=\"http:\/\/www.freesoft.org\/CIE\/RFC\/1700\/\">missing table of contents<\/a> for <a href=\"http:\/\/www.faqs.org\/rfcs\/rfc1700.html\">RFC 1700<\/a> (assigned numbers) provides links to a pile of useful information that doesn&#8217;t seem to be covered in RFC 3232. This information is not just from the RFC and includes links to items such as <a href=\"http:\/\/www.freesoft.org\/CIE\/RFC\/1700\/39.htm\">country codes from ISO 3166<\/a>, although a more up-to-date list of country codes is available on the ISO <a href=\"http:\/\/www.iso.org\/iso\/en\/prods-services\/iso3166ma\/02iso-3166-code-lists\/list-en1.html?printable=true\">website<\/a> (note that the ISO country codes do not necessarily equate to the top level domain codes, e.g. United Kingdom is GB in ISO 3166, but both GB and UK on the IANA <a href=\"http:\/\/www.iana.org\/cctld\/cctld-whois.htm\">website<\/a>).<\/p>\n<p>Finally, the ISS <a href=\"http:\/\/www.iss.net\/security_center\/advice\/Exploits\/Ports\/groups\/Microsoft\/default.htm\">website<\/a> has details of commonly used ports (along with some descriptive information) for Microsoft services as well as <a href=\"http:\/\/www.iss.net\/security_center\/advice\/Exploits\/Ports\/groups\/default.htm\">other vendors<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Having spent the afternoon configuring Windows Firewall exceptions, I thought I&#8217;d post some links to useful port number information. Of course, %systemroot%\\system32\\drivers\\etc\\services contains port numbers for well-known services defined by IANA, but this is an incomplete list and the up-to-date version is on the IANA website. Although now out of date (superseded by the RFC &hellip; <a href=\"https:\/\/www.markwilson.co.uk\/blog\/2004\/09\/useful-tcp-and-udp-port-numbers.htm\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Useful TCP and UDP port numbers<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[33,45,16],"class_list":["post-420","post","type-post","status-publish","format-standard","hentry","tag-windows","tag-tcpip","tag-useful-websites"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Useful TCP and UDP port numbers - markwilson.it<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.markwilson.co.uk\/blog\/2004\/09\/useful-tcp-and-udp-port-numbers.htm\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Useful TCP and UDP port numbers - markwilson.it\" \/>\n<meta property=\"og:description\" content=\"Having spent the afternoon configuring Windows Firewall exceptions, I thought I&#8217;d post some links to useful port number information. 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Of course, James is right (he explains\u2026","rel":"","context":"In \"Telephony\"","block_context":{"text":"Telephony","link":"https:\/\/www.markwilson.co.uk\/blog\/tag\/telephony"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1815,"url":"https:\/\/www.markwilson.co.uk\/blog\/2010\/05\/configuring-a-cisco-ip-phone-for-voip-using-sip-revisited.htm","url_meta":{"origin":420,"position":3},"title":"Configuring a Cisco IP phone for VoIP using SIP &#8211; revisited","author":"Mark Wilson","date":"Friday 14 May 2010","format":false,"excerpt":"A couple of years ago, I blogged about getting my Cisco 7940G IP Phone working with SIP firmware and an external VoIP provider (in my case, it was Sipgate).\u00a0 I also wanted to get a couple more Cisco IP Phones working - the Cisco IP Communicator softphone and a 7911G\u2026","rel":"","context":"In &quot;Technology&quot;","block_context":{"text":"Technology","link":"https:\/\/www.markwilson.co.uk\/blog\/topic\/technology"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":257,"url":"https:\/\/www.markwilson.co.uk\/blog\/2004\/12\/implementing-custom-error-pages-for.htm","url_meta":{"origin":420,"position":4},"title":"Implementing custom error pages for a website","author":"Mark Wilson","date":"Wednesday 8 December 2004","format":false,"excerpt":"One of the features used in my website is custom error pages, which allow errors to be handled using a format that matches other documents on the site. 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