{"id":8754,"date":"2019-09-13T14:57:47","date_gmt":"2019-09-13T12:57:47","guid":{"rendered":"https:\/\/www.boc.de\/watchguard-info-portal\/?p=8754"},"modified":"2019-09-17T13:12:01","modified_gmt":"2019-09-17T11:12:01","slug":"fireware-12-5-probleme-mit-https-proxy-nach-upgrade","status":"publish","type":"post","link":"https:\/\/wordpress.boc.de\/watchguard-info-portal\/2019\/09\/fireware-12-5-probleme-mit-https-proxy-nach-upgrade\/","title":{"rendered":"Fireware 12.5 &#8211; Probleme mit HTTPS-Proxy nach Upgrade"},"content":{"rendered":"<p><span style=\"font-size: inherit;\">Nach dem Upgrade auf 12.5 ist es unter bestimmten Umst\u00e4nden m\u00f6glich, dass der HTTPS-Proxy nicht mehr sauber funktioniert. Voraussetzungen und Workaround:<br \/>\n<\/span><\/p>\n<p><!--more--><\/p>\n<p><span style=\"font-size: inherit;\">Diese Woche bei zwei Kunden aufgetreten:\u00a0<\/span><\/p>\n<ul>\n<li>Upgrade von einer relativ alten Version (hier 12.0.1 bzw. 12.1) auf aktuelles Release (hier 12.5 oder 12.5.1)<\/li>\n<li>HTTPS-Traffic nach au\u00dfen hat nicht mehr funktoiniert.<\/li>\n<li>Fehlermeldung im Traffic Monitor &#8222;B-Channel connect failed&#8220; (oder so \u00e4hnlich, ich habe leider keinen Screenshot).<\/li>\n<\/ul>\n<p>Abhilfe:<\/p>\n<ul>\n<li>HTTPS-Proxy-Policy editieren<\/li>\n<li>HTTPS-Proxy-Action editieren<\/li>\n<li>TLS-Profil editieren<\/li>\n<li>dort etwas \u00e4ndern (z.B. ein Toggle des <strong>[ ] allow only TLS Compliant traffic<\/strong>)<\/li>\n<li>speichern und testen<\/li>\n<\/ul>\n<p>nun sollte wieder alles funktionieren.<\/p>\n<ul>\n<li>nun die \u00c4nderung wieder r\u00fcckg\u00e4ngig machen<\/li>\n<li>speichern und testen<\/li>\n<\/ul>\n<p>auch jetzt sollte wieder alles funktionieren.<\/p>\n<p>ich pers\u00f6nlich vermute als Ursache eine \u00c4nderung im TLS-Profil &#8211; in den alten 12.0\/12.1 Releases war beispielsweise noch SSLv3 als Minumum Version erlaubt, inzwischen ist dort TLS1.0 die minimale Version.<\/p>\n<p>Wenn dies so w\u00e4re, k\u00f6nnte bei Upgrades der jeweiligen Zwischenreleases (12.0 =&gt; 12.1 =&gt; 12.2 =&gt; 12.3 =&gt; 12.4 =&gt; 12.5) dieser Fall entsprechend abgefangen worden sein; bei dem gro\u00dfen Sprung von 12.0 nach 12.5.x (immerhin knapp 2 Jahre!) k\u00f6nnte sich hier ein rare Case eingeschlichen haben. Dies w\u00fcrde erkl\u00e4ren, warum dieser Fall in meinem Home-Office nicht aufgetreten ist, da ich hier nahezu alle Zwischenreleases aufgrund der Teilnahme an den Beta-Tests installiere und damit nur die inkrementellen \u00c4nderungen zur jeweiligen Vor-Version ins Gewicht fallen.<\/p>\n<p>Immerhin ist die ganze SSL\/TLS-Thematik w\u00e4hrend der letzten zwei Jahre durchg\u00e4ngig im Flow &#8211; hier kommen mit jedem Subrelease \u00c4nderungen in die Fireware. Das m\u00fcssen sie auch, denn gerade TLS ver\u00e4ndert sich ebenfalls st\u00e4ndig. Stichworte: Entfall von SSLv2, SSLv3. Hinzuf\u00fcgen von TLS 1.3, ECDHE-Ciphers, um nur einige zu nennen. (Gerade diskutieren Mozilla und Google, ob und wann in Firefox und Chrome der TLS-1.0 Support gestrichen wird&#8230;).<\/p>\n<p>&nbsp;<\/p>\n<div class=\"shariff\"><ul class=\"shariff-buttons theme-default orientation-horizontal buttonsize-medium\"><li class=\"shariff-button mailto shariff-nocustomcolor\" style=\"background-color:#b32317\"><a href=\"mailto:?body=https%3A%2F%2Fwordpress.boc.de%2Fwatchguard-info-portal%2F2019%2F09%2Ffireware-12-5-probleme-mit-https-proxy-nach-upgrade%2F&subject=Fireware%2012.5%20%E2%80%93%20Probleme%20mit%20HTTPS-Proxy%20nach%20Upgrade\" title=\"Per E-Mail versenden\" aria-label=\"Per E-Mail versenden\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#999; color:#fff\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 32 32\"><path fill=\"#999\" d=\"M32 12.7v14.2q0 1.2-0.8 2t-2 0.9h-26.3q-1.2 0-2-0.9t-0.8-2v-14.2q0.8 0.9 1.8 1.6 6.5 4.4 8.9 6.1 1 0.8 1.6 1.2t1.7 0.9 2 0.4h0.1q0.9 0 2-0.4t1.7-0.9 1.6-1.2q3-2.2 8.9-6.1 1-0.7 1.8-1.6zM32 7.4q0 1.4-0.9 2.7t-2.2 2.2q-6.7 4.7-8.4 5.8-0.2 0.1-0.7 0.5t-1 0.7-0.9 0.6-1.1 0.5-0.9 0.2h-0.1q-0.4 0-0.9-0.2t-1.1-0.5-0.9-0.6-1-0.7-0.7-0.5q-1.6-1.1-4.7-3.2t-3.6-2.6q-1.1-0.7-2.1-2t-1-2.5q0-1.4 0.7-2.3t2.1-0.9h26.3q1.2 0 2 0.8t0.9 2z\"\/><\/svg><\/span><span class=\"shariff-text\">E-Mail<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button linkedin shariff-nocustomcolor\" style=\"background-color:#b32317\"><a href=\"https:\/\/www.linkedin.com\/sharing\/share-offsite\/?url=https%3A%2F%2Fwordpress.boc.de%2Fwatchguard-info-portal%2F2019%2F09%2Ffireware-12-5-probleme-mit-https-proxy-nach-upgrade%2F\" title=\"Bei LinkedIn teilen\" aria-label=\"Bei LinkedIn teilen\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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Voraussetzungen und Workaround:<\/p>\n<div class=\"shariff\"><ul class=\"shariff-buttons theme-default orientation-horizontal buttonsize-medium\"><li class=\"shariff-button mailto shariff-nocustomcolor\" style=\"background-color:#b32317\"><a href=\"mailto:?body=https%3A%2F%2Fwordpress.boc.de%2Fwatchguard-info-portal%2F2019%2F09%2Ffireware-12-5-probleme-mit-https-proxy-nach-upgrade%2F&subject=Fireware%2012.5%20%E2%80%93%20Probleme%20mit%20HTTPS-Proxy%20nach%20Upgrade\" title=\"Per E-Mail versenden\" aria-label=\"Per E-Mail versenden\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#999; color:#fff\"><span class=\"shariff-icon\" style=\"\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 32 32\"><path fill=\"#999\" d=\"M32 12.7v14.2q0 1.2-0.8 2t-2 0.9h-26.3q-1.2 0-2-0.9t-0.8-2v-14.2q0.8 0.9 1.8 1.6 6.5 4.4 8.9 6.1 1 0.8 1.6 1.2t1.7 0.9 2 0.4h0.1q0.9 0 2-0.4t1.7-0.9 1.6-1.2q3-2.2 8.9-6.1 1-0.7 1.8-1.6zM32 7.4q0 1.4-0.9 2.7t-2.2 2.2q-6.7 4.7-8.4 5.8-0.2 0.1-0.7 0.5t-1 0.7-0.9 0.6-1.1 0.5-0.9 0.2h-0.1q-0.4 0-0.9-0.2t-1.1-0.5-0.9-0.6-1-0.7-0.7-0.5q-1.6-1.1-4.7-3.2t-3.6-2.6q-1.1-0.7-2.1-2t-1-2.5q0-1.4 0.7-2.3t2.1-0.9h26.3q1.2 0 2 0.8t0.9 2z\"\/><\/svg><\/span><span class=\"shariff-text\">E-Mail<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button linkedin shariff-nocustomcolor\" style=\"background-color:#b32317\"><a href=\"https:\/\/www.linkedin.com\/sharing\/share-offsite\/?url=https%3A%2F%2Fwordpress.boc.de%2Fwatchguard-info-portal%2F2019%2F09%2Ffireware-12-5-probleme-mit-https-proxy-nach-upgrade%2F\" title=\"Bei LinkedIn teilen\" aria-label=\"Bei LinkedIn teilen\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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