{"id":29,"date":"2019-05-27T02:40:07","date_gmt":"2019-05-27T02:40:07","guid":{"rendered":"https:\/\/multahost.com\/blog\/vos3000-extended-firewall\/"},"modified":"2026-03-10T02:22:43","modified_gmt":"2026-03-10T02:22:43","slug":"vos3000-extended-firewall","status":"publish","type":"post","link":"https:\/\/multahost.com\/blog\/vos3000-extended-firewall\/","title":{"rendered":"VOS3000 Extended Firewall for Secured Server"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">VOS3000 Extended Firewall for Secured Server<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hello all,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Basically we was the first who developed &#8220;Access Code&#8221; based firewall. Its actually most simple and easy firewall ever. The reason of this firewall is:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. Many unwanted people scan ips and try for login in vos client, so for access code now its double layers. Without allowing access code nobody can login vos client. So they need to know both details.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Our Firewall block all chinese\/russian\/hacker ip database. So its completely updated automatically from our ip database.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. We changed SSH ports as well and without allowing &#8220;Access Code&#8221; you can&#8217;t even login ssh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. <a href=\"https:\/\/multahost.com\/blog\/vos3000\">VOS3000<\/a> Extended Firewall rules updated every month, version wise rules are not same, because each version have each type loophole, so need to study and work accordingly. Otherwise firewall will be useless.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5. we do not use any php based web firewall which looks good but actually not work well<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">6. we use simple rules in iptables and access code based system<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7. outlook is not important for firewall the backend rules is most important here<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Contact us for more info: +8801911119966 (whatsapp text only)<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"809\" height=\"607\" src=\"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/01\/vos3000-voip-softswitch-telecom-icons-tele-communication-iconset.png?resize=809%2C607&#038;ssl=1\" alt=\"VOS3000 Extended Firewall, VOS3000 Installation, VOS3000 Server, VOS3000 SoftSwitch, VOS3000 Switch, VOS3000, VOS3000 Pricem VOS3000 Web, VOS3000 API, VOS3000 Rent, VOS3000 Manual, VOS3000 Downloads, VOS3000 VoIP, VOS3000 Carrier Switch, VOS3000 Extended Firewall\" class=\"wp-image-1171\" style=\"width:396px;height:auto\" title=\"\" srcset=\"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/01\/vos3000-voip-softswitch-telecom-icons-tele-communication-iconset.png?w=1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/01\/vos3000-voip-softswitch-telecom-icons-tele-communication-iconset.png?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/01\/vos3000-voip-softswitch-telecom-icons-tele-communication-iconset.png?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/01\/vos3000-voip-softswitch-telecom-icons-tele-communication-iconset.png?resize=810%2C608&amp;ssl=1 810w, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/01\/vos3000-voip-softswitch-telecom-icons-tele-communication-iconset.png?resize=400%2C300&amp;ssl=1 400w\" sizes=\"auto, (max-width: 809px) 100vw, 809px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>visit <a href=\"https:\/\/www.vos3000.com\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.vos3000.com<\/a> for more info<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<ul class=\"wp-block-latest-posts__list wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/multahost.com\/blog\/vos3000-clearing-report-reconciliation\/\">VOS3000 Clearing Report Settlement Reliable Financial Reconciliation<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/multahost.com\/blog\/vos3000-analysis-report-gateway\/\">VOS3000 Analysis Report Gateway Comprehensive Performance ASR ACD<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/multahost.com\/blog\/vos3000-bill-report-accurate\/\">VOS3000 Bill Report Revenue Accurate Gateway Phone Account Details<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/multahost.com\/blog\/vos3000-report-system-complete\/\">VOS3000 Report System Best Process Bill Cards Clearing Analysis Reports<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/multahost.com\/blog\/vos3000-authorization-management\/\">VOS3000 Authorization Management Robust Number Section Limitation Easy Guide<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>VOS3000 Extended Firewall, VOS3000 firewall or antihack system for protect your vos3000 system<\/p>\n","protected":false},"author":1,"featured_media":798,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[2,978,979,556,560,3,724,565,566,572,611],"tags":[6,10,480,232,937,882,961,886,834,976,836,965,905,904,958,853,841,897,868,910,971,835,880,934,876,857,830,858,891,854,850,497,549,945,856,813,907,968,878,811,824,931,844,944,957,809,951,846,917,964,911,960,877,875,817,869,859,925,839,831,939,881,819,916,933,828,943,950,952,865,816,832,929,890,851,829,954,852,908,912,973,833,913,892,825,966,919,820,871,860,855,894,840,847,827,842,972,915,874,936,949,948,826,938,873,843,848,947,969,837,815,955,862,901,959,838,896,822,810,899,898,903,935,967,932,845,864,895,808,872,906,928,883,867,893,963,914,812,885,940,902,900,974,884,889,861,970,887,823,941,927,930,924,926,923,922,879,921,870,888,975,863,849,946,956,814,909,953,821,918,920,962,942,866,818],"class_list":["post-29","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vos3000","category-best-vos3000-server","category-centos7-server-for-vos3000","category-download-vos3000","category-emp-vos3000","category-voip-softswitch","category-vos3000-2-1-8-05","category-vos3000-21907","category-vos3000-21907-download","category-vos3000-api","category-vos3000-download","tag-vos3000","tag-vos3000-2-1-4-0","tag-vos3000-2-1-6-0","tag-vos3000-2-1-8-05","tag-vos3000-account-management","tag-vos3000-account-reports","tag-vos3000-admin-interface","tag-vos3000-administration-tools","tag-vos3000-alarm-system","tag-vos3000-alternative","tag-vos3000-anti-hack","tag-vos3000-api","tag-vos3000-api-documentation","tag-vos3000-api-integration","tag-vos3000-asr-acd","tag-vos3000-asr-analysis","tag-vos3000-auto-invoice","tag-vos3000-auto-restart","tag-vos3000-backup-solutions","tag-vos3000-billing","tag-vos3000-billing-integration","tag-vos3000-billing-portal","tag-vos3000-billing-reports","tag-vos3000-billing-system","tag-vos3000-business-voip-solutions","tag-vos3000-call-analytics","tag-vos3000-call-per-second","tag-vos3000-call-performance","tag-vos3000-call-quality","tag-vos3000-call-recording","tag-vos3000-call-routing","tag-vos3000-cards-management","tag-vos3000-carrier-solution","tag-vos3000-carrier-class","tag-vos3000-centralized-management","tag-vos3000-cheap-server","tag-vos3000-client","tag-vos3000-client-download","tag-vos3000-client-portal","tag-vos3000-cloud","tag-vos3000-concurrent-calls","tag-vos3000-configuration","tag-vos3000-custom-rates","tag-vos3000-data-query","tag-vos3000-ddos-protection","tag-vos3000-dedicated-server","tag-vos3000-demo","tag-vos3000-did-numbers","tag-vos3000-documentation","tag-vos3000-documentation-download","tag-vos3000-download","tag-vos3000-encryption","tag-vos3000-enterprise-grade","tag-vos3000-exchangerate-management","tag-vos3000-extreme-media-proxy","tag-vos3000-fax-support","tag-vos3000-feature-list","tag-vos3000-features","tag-vos3000-firewall-security","tag-vos3000-gateway-group","tag-vos3000-gateway-management","tag-vos3000-gateway-reports","tag-vos3000-global-card-system","tag-vos3000-guide","tag-vos3000-h323","tag-vos3000-h323-support","tag-vos3000-high-capacity","tag-vos3000-hosted-softswitch","tag-vos3000-hosted-solution","tag-vos3000-hosted-voip-softswitch","tag-vos3000-hosting","tag-vos3000-http-tcp-udp","tag-vos3000-installation","tag-vos3000-international-voip","tag-vos3000-ip-binding","tag-vos3000-ivr-management","tag-vos3000-lcr","tag-vos3000-lcr-routing","tag-vos3000-license","tag-vos3000-license-generator","tag-vos3000-linknat","tag-vos3000-load-balancing","tag-vos3000-manual","tag-vos3000-media-codec-settings","tag-vos3000-media-forwarding","tag-vos3000-media-proxy","tag-vos3000-mobile-management-manual","tag-vos3000-monthly-plan","tag-vos3000-mpbx-support","tag-vos3000-multi-gateway-encryption","tag-vos3000-multi-server","tag-vos3000-network-optimization","tag-vos3000-online-payment","tag-vos3000-online-sip-accounts","tag-vos3000-overload-protection","tag-vos3000-package-management","tag-vos3000-pbx","tag-vos3000-pdf","tag-vos3000-phone-card-business","tag-vos3000-phone-management","tag-vos3000-postpaid-billing","tag-vos3000-prepaid-billing","tag-vos3000-protocol-support","tag-vos3000-rate-management","tag-vos3000-rate-management-business","tag-vos3000-rate-table","tag-vos3000-real-time-monitoring","tag-vos3000-real-time-billing","tag-vos3000-redundancy","tag-vos3000-redundancy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Server, Please wait Time Out error at VOS3000 2.1.8.00","author":"king","date":"December 8, 2022","format":false,"excerpt":"Connecting Server, Please wait Time Out error at VOS3000 2.1.8.00 Hello, Time Out Error at Login VOS3000 Reason: Server have running firewall which is blocking VOS3000 client software to connect with VOS3000 Server - in that case you have to stop firewall from VOS3000 Server. Server have different port for\u2026","rel":"","context":"In &quot;Best VOS3000 Server&quot;","block_context":{"text":"Best VOS3000 Server","link":"https:\/\/multahost.com\/blog\/category\/best-vos3000-server\/"},"img":{"alt_text":"multahost-vos3000-server-banner, VOS3000 2.1.8.00, VOS3000 All PDF Manuals, VOS3000 client, Vendor Billing","src":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2025\/09\/multahost-vos3000-server-banner.png?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2025\/09\/multahost-vos3000-server-banner.png?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2025\/09\/multahost-vos3000-server-banner.png?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2025\/09\/multahost-vos3000-server-banner.png?fit=1200%2C800&ssl=1&resize=700%2C400 2x, 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