{"id":258,"date":"2009-06-30T09:07:28","date_gmt":"2009-06-30T09:07:28","guid":{"rendered":"https:\/\/fir3netwp.gmsrrpobkbd.com\/2009\/06\/30\/bgp\/"},"modified":"2021-07-24T19:04:10","modified_gmt":"2021-07-24T19:04:10","slug":"bgp","status":"publish","type":"post","link":"https:\/\/www.fir3net.com\/Firewalls\/Check-Point\/bgp.html","title":{"rendered":"Invalid MD5 digest &#8211; BGP Traffic Through Check Point"},"content":{"rendered":"<p><span ><strong >Issue<\/strong><\/span><\/p>\n<p><span >When allowing eBGP traffic through a Check Point Firewall you may receive the following error message on your BGP peered routers. (This error may occur at the point of pushing a policy to your Check Point Firewall),<\/span><\/p>\n<p class=\"errormessage\"><span style=\"color: #ff0000;\" color=\"#ff0000\" ><strong>TCP-6-BADAUTH: Invalid MD5 digest from [Source IP]:[Source Port] to [Dest IP]:179<\/strong><\/span><\/p>\n<p><strong><span  >Solution<\/span><\/strong><\/p>\n<p><span >This is down to the Check Point State Table and the TCP sequence number of the BGP Traffic changing at the point of policy push.<\/span><\/p>\n<p><span >To prevent this occurring you will need to change the following settings,<\/span><\/p>\n<ul>\n<li><span >Check Point Gateway Object &gt; Advanced &gt; Connection Persistence &gt; (Tick) Keep all connections<\/span>\n<ul>\n<li><span >Services &gt; TCP &gt; BGP Service &gt; (Tick) Keep connections open after Policy has been installed<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Issue When allowing eBGP traffic through a Check Point Firewall you may receive the following error message on your BGP peered routers. (This error may occur at the point of pushing a policy to your Check Point Firewall), TCP-6-BADAUTH: Invalid MD5 digest from [Source IP]:[Source Port] to [Dest IP]:179 Solution This is down to the &#8230; <a title=\"Invalid MD5 digest &#8211; BGP Traffic Through Check Point\" class=\"read-more\" href=\"https:\/\/www.fir3net.com\/Firewalls\/Check-Point\/bgp.html\" aria-label=\"Read more about Invalid MD5 digest &#8211; BGP Traffic Through Check Point\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Invalid MD5 digest - BGP Traffic Through Check Point - Fir3net<\/title>\n<meta name=\"description\" content=\"Issue When allowing eBGP traffic through a Check Point Firewall you may receive the following error message on your BGP peered routers. 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