{"id":524,"date":"2021-09-01T09:47:50","date_gmt":"2021-09-01T09:47:50","guid":{"rendered":"https:\/\/www.practicallynetworked.com\/?page_id=524"},"modified":"2021-10-05T17:00:01","modified_gmt":"2021-10-05T17:00:01","slug":"icq-and-nat-routers","status":"publish","type":"post","link":"https:\/\/www.practicallynetworked.com\/icq-and-nat-routers\/","title":{"rendered":"ICQ and NAT routers"},"content":{"rendered":"<p><b>You&#8217;re using using a NAT based sharing program (ICS, Sygate, etc.) or hardware router and are having trouble getting ICQ to work.<\/b><\/p>\n<p>(Thanks for Collin Witwer for his help!)<\/p>\n<p>You&#8217;ll need to open a number of ports in the firewall that comes as part of your sharing software or hardware router.<\/p>\n<p><img alt='attentionsml-1574860' src='https:\/\/www.practicallynetworked.com\/wp-content\/uploads\/2021\/09\/attentionsml-1574860.gif' alt=\"attentionsml.gif (1034 bytes)\" width=\"30\" height=\"30\" border=\"0\" \/><span style=\"color: #ff0000;\"><b>If you are going to open holes in your firewall, please\u00a0<a href=\"https:\/\/www.practicallynetworked.com\/sharing\/securnet.htm#Accessing\">read this information on Security<\/a>.<\/b><\/span><\/p>\n<p>The exact method you use to open ports varies with the program or router that you are using.<\/p>\n<ul>\n<li>If you&#8217;re using Sygate, you\u00a0<b><a href=\"http:\/\/www.sybergen.com\/support\/conf_sg.htm\" target=\"_blank\" rel=\"noopener\">edit the apprule.cfg file<\/a><\/b>.<\/li>\n<li>If you&#8217;re using ICS, you either\u00a0<b><a href=\"http:\/\/support.microsoft.com\/support\/kb\/articles\/q231\/1\/62.asp\" target=\"_blank\" rel=\"noopener\">use an .inf file<\/a><\/b>\u00a0or use\u00a0<b><a href=\"https:\/\/www.practicallynetworked.com\/sharing\/icsconfiguration.htm\">Harley Acheson&#8217;s ICS Configuration program<\/a><\/b>.<\/li>\n<\/ul>\n<p>For other programs or hardware routers, consult your Help files.<\/p>\n<p>Here&#8217;s what you need to do:<\/p>\n<p><span style=\"color: #000000;\">1) Map\u00a0<b>UDP port 4000<\/b>\u00a0in ICS to allow your client computer to<\/span>\u00a0<span style=\"color: #000000;\">communicate with the ICQ server. Do this both\u00a0<b>outbound<\/b>\u00a0and\u00a0<b>inbound<\/b>.<\/span><\/p>\n<p><span style=\"color: #000000;\">REFERENCE<br \/>\nInfo on firewall configuration for ICQ is at:<\/span><\/p>\n<p><span style=\"color: #0000fe;\"><b><a href=\"http:\/\/www.icq.com\/firewall\/netadmin.html\" target=\"_blank\" rel=\"noopener\">http:\/\/www.icq.com\/firewall\/netadmin.html<\/a><\/b><\/span><\/p>\n<p><span style=\"color: #000000;\">Ignore the information about Socks4 and Socks5 proxies, since NAT routers don&#8217;t provide these.<\/span><\/p>\n<p><span style=\"color: #000000;\">2) Configure ICQ on your client to work behind a firewall.<\/span><\/p>\n<p><span style=\"color: #0000fe;\"><b><a href=\"http:\/\/www.icq.com\/firewall\/port.html\" target=\"_blank\" rel=\"noopener\">http:\/\/www.icq.com\/firewall\/port.html<\/a><\/b><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\">This may be all you have to do, but if you have problems communicating<\/span>\u00a0<span style=\"color: #000000;\">directly with other users (client to client) vs. through the ICQ servers, you&#8217;ll need to take the next steps:<\/span><\/p>\n<p><span style=\"color: #000000;\">3) Open a range of TCP &#8220;listening ports&#8221; in ICQ<\/span><\/p>\n<p><span style=\"color: #0000fe;\"><b><a href=\"http:\/\/www.icq.com\/firewall\/port.html\" target=\"_blank\" rel=\"noopener\">http:\/\/www.icq.com\/firewall\/port.html<\/a><\/b><\/span><\/p>\n<p><span style=\"color: #000000;\">4) Open the\u00a0<b>same range<\/b>\u00a0of TCP ports in ICS.<br \/>\n(<i>Example: If you open the ICQ recommended range of TCP ports 2000-4000, then open this same TCP port range in ICS.<\/i>)<\/span><\/p>\n<p>&nbsp;<\/p>\n<table border=\"0\" width=\"120\" cellspacing=\"2\" cellpadding=\"0\" align=\"right\" bgcolor=\"#385CA0\">\n<tbody>\n<tr>\n<td valign=\"middle\" bgcolor=\"#385CA0\"><a href=\"https:\/\/www.practicallynetworked.com\/support\/troubleshoot_network.htm\"><span style=\"color: #ffffff;\"><b class=\"LINK\">Networking<\/b><\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" bgcolor=\"#385CA0\"><a href=\"https:\/\/www.practicallynetworked.com\/software-proxy-troubleshooting\/\"><span style=\"color: #ffffff;\"><b class=\"LINK\">SW Proxy Servers<\/b><\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" bgcolor=\"#385CA0\"><a href=\"https:\/\/www.practicallynetworked.com\/support\/troubleshoot_nat_sw.htm\"><span style=\"color: #ffffff;\"><b class=\"LINK\">NAT SW (ICS, Sygate, etc)<\/b><\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" bgcolor=\"#385CA0\"><a href=\"https:\/\/www.practicallynetworked.com\/support\/troubleshoot_nat_hw.htm\"><span style=\"color: #ffffff;\"><b class=\"LINK\">NAT HW Routers<\/b><\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" bgcolor=\"#385CA0\"><a href=\"https:\/\/www.practicallynetworked.com\/support\/troubleshoot_nat_either.htm\"><span style=\"color: #ffffff;\"><b class=\"LINK\">NAT HW &amp; SW<\/b><\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" bgcolor=\"#385CA0\"><a href=\"https:\/\/www.practicallynetworked.com\/wireless-network-troubleshooting\/\"><span style=\"color: #ffffff;\"><b class=\"LINK\">Wireless<\/b><\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" bgcolor=\"#385CA0\"><a href=\"https:\/\/www.practicallynetworked.com\/support\/troubleshoot_other.htm\"><span style=\"color: #ffffff;\"><b class=\"LINK\">Other Problems<\/b><\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" bgcolor=\"#385CA0\"><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" bgcolor=\"#385CA0\"><a href=\"https:\/\/www.practicallynetworked.com\/sharing\/securnet.htm\"><span style=\"color: #ffffff;\"><b class=\"LINK\">Secure LAN<\/b><\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" bgcolor=\"#385CA0\"><a href=\"https:\/\/www.practicallynetworked.com\/specialapps\/\"><span style=\"color: #ffffff;\"><b class=\"LINK\">Special Applications<\/b><\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" bgcolor=\"#385CA0\"><a href=\"https:\/\/www.practicallynetworked.com\/sharing\/otherinfo.htm\"><span style=\"color: #ffffff;\"><b class=\"LINK\">Other Help<\/b><\/span><\/a><\/td>\n<\/tr>\n<tr>\n<td valign=\"middle\" bgcolor=\"#385CA0\"><a href=\"https:\/\/www.practicallynetworked.com\/tools\/index.htm\"><span style=\"color: #ffffff;\"><b class=\"LINK\">Tools<\/b><\/span><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>You&#8217;re using using a NAT based sharing program (ICS, Sygate, etc.) or hardware router and are having trouble getting ICQ to work. (Thanks for Collin Witwer for his help!) You&#8217;ll need to open a number of ports in the firewall that comes as part of your sharing software or hardware router. If you are going to open holes in your firewall, please\u00a0read this information on Security. The exact method you use to open ports varies with the program or router that you are using. If you&#8217;re using Sygate, you\u00a0edit the apprule.cfg file. If you&#8217;re using ICS, you either\u00a0use an .inf <\/p>\n","protected":false},"author":2,"featured_media":5595,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"_links":{"self":[{"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/posts\/524"}],"collection":[{"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/comments?post=524"}],"version-history":[{"count":0,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/posts\/524\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/media\/5595"}],"wp:attachment":[{"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/media?parent=524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/categories?post=524"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.practicallynetworked.com\/wp-json\/wp\/v2\/tags?post=524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}