漳州防火墻系統(tǒng)開發(fā) 歡迎來電浙江越昕供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="防火墻的體系結(jié)構(gòu)發(fā)展趨勢，隨著軟硬件處理能力、網(wǎng)絡(luò)帶寬的不斷提升，防火墻的數(shù)據(jù)處理能力也在得到提升。尤其近幾年多媒體流技術(shù)（在線視頻）的發(fā)展，要求防火墻的處理時延必須越來越小。基于以上業(yè)務(wù)需求，防火墻制造商開發(fā)了基于網(wǎng)絡(luò)處理器和基于ASIC"><meta name="keywords" content="漳州防火墻系統(tǒng)開發(fā),防火墻"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_aqfh/">安全、防護(hù)</a>?<a href="http://www.cdcfah.com/cp/second-aqfh_jkcssb/">監(jiān)控傳輸設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-jkcssb_wxcsxt/">無線傳輸系統(tǒng)</a>?漳州防火墻系統(tǒng)開發(fā) 歡迎來電浙江越昕供應(yīng)</p><div id="bf2z7sz" class="leftbox clearfix"><h1>漳州防火墻系統(tǒng)開發(fā) 歡迎來電浙江越昕供應(yīng)</h1><div id="wlfrdzl" class="proBig"><div id="rl38tli" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yuexin/637369761871757813/253742.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gakbdkh" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yuexin/637369761871757813/253742.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ajl88d8" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>漳州防火墻系統(tǒng)開發(fā),防火墻</p><p><span>***更新：</span>2021-01-09 03:16:38</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="lkrolsu" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">浙江越昕信息技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>戴偉強(qiáng)</p><p><span>郵箱: </span>dwq@shpanabit.com</p><p><span>電話: </span>13917159624</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.yuexininfo.com</p><p><span>手機(jī): </span>021-80370549</p><p><span>地址: </span>長經(jīng)濟(jì)技術(shù)開發(fā)區(qū)高鐵路669號國家大學(xué)科技園12號樓228室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="gfcjlxo" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8zikhjq" class="box"><p><p style="text-indent:25px">防火墻的體系結(jié)構(gòu)發(fā)展趨勢，隨著軟硬件處理能力、網(wǎng)絡(luò)帶寬的不斷提升，防火墻的數(shù)據(jù)處理能力也在得到提升。尤其近幾年多媒體流技術(shù)（在線視頻）的發(fā)展，要求防火墻的處理時延必須越來越小。基于以上業(yè)務(wù)需求，防火墻制造商開發(fā)了基于網(wǎng)絡(luò)處理器和基于ASIC(ApplicationSpecificIntegratedCircuits，漳州防火墻系統(tǒng)開發(fā),**集成電路)的防火墻產(chǎn)品?；诰W(wǎng)絡(luò)處理器的防火墻本質(zhì)上還是依賴于軟件系統(tǒng)的解決方案，因此軟件性能的好壞直接影響防火墻的性能。而基于ASIC的防火墻產(chǎn)品具有定制化、可編程的硬件芯片以及與之相匹配的軟件系統(tǒng)，因此性能的優(yōu)越性不言而喻，漳州防火墻系統(tǒng)開發(fā)，可以很好地滿足客戶對系統(tǒng)靈活性和高性能的要求。防火墻是一個分離器，漳州防火墻系統(tǒng)開發(fā)，一個限制器，也是一個分析器。漳州防火墻系統(tǒng)開發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="漳州防火墻系統(tǒng)開發(fā),防火墻" src="https://tyunfile.71360.com/UploadFile/yuexin/637369761871757813/253742.png"></div><p style="text-indent:25px">防止工作人員訪問存在安全隱患的網(wǎng)站，計算機(jī)網(wǎng)絡(luò)安全問題之中有相當(dāng)一部分是由工作人員進(jìn)入了存在安全隱患的網(wǎng)站所導(dǎo)致的。通過應(yīng)用防火墻技術(shù)能夠?qū)ぷ魅藛T的操作進(jìn)行實時監(jiān)控，一旦發(fā)現(xiàn)工作人員即將進(jìn)入存在安全隱患的網(wǎng)站，防火墻就會立刻發(fā)出警報，借此有效防止工作人員誤入存在安全隱患的網(wǎng)站，有效提高訪問工作的安全性?？刂撇话踩?wù)，計算機(jī)網(wǎng)絡(luò)在運行的過程當(dāng)中會出現(xiàn)許多不安全服務(wù)，這些不安全服務(wù)會嚴(yán)重影響到計算機(jī)網(wǎng)絡(luò)的安全。通過應(yīng)用防火墻技術(shù)能夠有效降低工作人員的實際操作風(fēng)險，其能夠?qū)⒉话踩?wù)有效攔截下來，有效防止非法攻擊對計算機(jī)網(wǎng)絡(luò)安全造成影響。此外，通過防火墻技術(shù)還能夠?qū)崿F(xiàn)對計算機(jī)網(wǎng)絡(luò)之中的各項工作進(jìn)行實施監(jiān)控，借此使得計算機(jī)用戶的各項工作能夠在一個安全可靠的環(huán)境之下進(jìn)行，有效防止因為計算機(jī)網(wǎng)絡(luò)問題給用戶帶來經(jīng)濟(jì)損失。漳州防火墻系統(tǒng)開發(fā)內(nèi)部網(wǎng)絡(luò)和外部網(wǎng)絡(luò)之間的所有網(wǎng)絡(luò)數(shù)據(jù)流都必須經(jīng)過防火墻。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="漳州防火墻系統(tǒng)開發(fā),防火墻" src="https://tyunfile.71360.com/UploadFile/yuexin/637369762665859375/6835866.png"></div><p style="text-indent:25px">DMZ是防火墻為了實現(xiàn)在保護(hù)內(nèi)部網(wǎng)絡(luò)的安全同時，又可以保證需要放置在外網(wǎng)上的服務(wù)器的安全的一種方法，有了DMZ策略，可以象保護(hù)內(nèi)部網(wǎng)絡(luò)一樣更好地保護(hù)DMZ的主機(jī)。防火墻采用先進(jìn)的蠕蟲檢測及阻斷技術(shù)，保證在網(wǎng)關(guān)位置截獲各種常見的蠕蟲，當(dāng)內(nèi)外網(wǎng)蠕蟲發(fā)作時阻斷蠕蟲發(fā)出的各種病毒或破壞性數(shù)據(jù)包，而正常的網(wǎng)絡(luò)數(shù)據(jù)包不受影響，保證網(wǎng)絡(luò)的正常通暢以及業(yè)務(wù)的正常運行?！AT（地址轉(zhuǎn)換）分為正向地址轉(zhuǎn)換和反向地址轉(zhuǎn)換。正向NAT是基于網(wǎng)絡(luò)層的安全應(yīng)用,它通過把內(nèi)部網(wǎng)絡(luò)的信息包內(nèi)的源地址修改為防火墻的外部端口地址傳向外部網(wǎng)絡(luò)，同時隱蔽了內(nèi)部IP地址，節(jié)約合法IP和費用。如果需要在內(nèi)網(wǎng)提供可以讓外部訪問的服務(wù)(如WWW、FTP等)，反向NAT可以為服務(wù)器建立有外向內(nèi)的地址轉(zhuǎn)換，外部用戶可以直接訪問該服務(wù)器。這樣內(nèi)部網(wǎng)絡(luò)就可以與外部網(wǎng)絡(luò)雙向通信。</p><p style="text-indent:25px">防火墻引擎具有自主軟件著作權(quán)，具有國際先進(jìn)的狀態(tài)檢測***濾技術(shù)，實時在線檢測當(dāng)前內(nèi)外網(wǎng)絡(luò)的所有連接狀態(tài)，根據(jù)連接狀態(tài)動態(tài)配置規(guī)則，對異常的連接狀態(tài)進(jìn)行阻斷，實現(xiàn)入侵檢測并及時報警。采用單獨的創(chuàng)立的內(nèi)核檢測技術(shù)，即基于操作系統(tǒng)內(nèi)核的會話檢測技術(shù)，在操作系統(tǒng)內(nèi)核實現(xiàn)對應(yīng)用層的訪問控制。 Syn代理技術(shù)防止Dos、D-Dos攻擊。對常見病毒端口可以在數(shù)據(jù)鏈路層進(jìn)行主動丟棄，**提高了防火墻的處理性能。支持訪問模式匹配功能，可根據(jù)需要有效地防止木馬軟件以及QQ，BT等軟件。采用安全增強(qiáng)和優(yōu)化的操作系統(tǒng)，內(nèi)置IDS功能，安全級別高，具有強(qiáng)抗攻擊功能。在防范各種拒絕服務(wù)攻擊、端口掃描、IP欺騙等攻擊手段方面表現(xiàn)突出。支持橋模式、VLAN、ADSL撥號等形式接入，可以滿足多種網(wǎng)絡(luò)環(huán)境的需要。通過多重地址轉(zhuǎn)換（MAT）功能，既可以保護(hù)內(nèi)部網(wǎng)絡(luò)服務(wù)器的安全，又可以分散外部服務(wù)到不同的IP地址。通過端口轉(zhuǎn)換，為服務(wù)指定特定的端口，增強(qiáng)了系統(tǒng)的安全性。既可以作為DHCP服務(wù)器又可以充當(dāng)DHCP客戶機(jī)，以實現(xiàn)對動態(tài)IP的支持功能。基于身份和角色的管理（RBNS）讓網(wǎng)絡(luò)配置更加直觀和精細(xì)化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="漳州防火墻系統(tǒng)開發(fā),防火墻" src="https://tyunfile.71360.com/UploadFile/yuexin/637369762563427735/694764.png"></div><p style="text-indent:25px">數(shù)據(jù)***濾技術(shù)是在網(wǎng)絡(luò)層對數(shù)據(jù)包進(jìn)行選擇，選擇的依據(jù)是系統(tǒng)內(nèi)設(shè)置的過濾邏輯，被稱為訪問控制表。通過檢查數(shù)據(jù)流中每個數(shù)據(jù)包的源地址、目的地址、所用的端口號、協(xié)議狀態(tài)等因素，或它們的組合來確定是否允許該數(shù)據(jù)包通過。數(shù)據(jù)***濾防火墻邏輯簡單，價格便宜，易于安裝和使用，網(wǎng)絡(luò)性能和透明性好，它通常安裝在路由器上。路由器是內(nèi)部網(wǎng)絡(luò)與Internet連接必不可少的設(shè)備，因此在原有網(wǎng)絡(luò)上增加這樣的防火墻幾乎不需要任何額外的費用。數(shù)據(jù)***濾防火墻的缺點有二：一是非法訪問一旦突破防火墻，即可對主機(jī)上的軟件和配置漏洞進(jìn)行攻擊；二是數(shù)據(jù)包的源地址、目的地址以及IP的端口號都在數(shù)據(jù)包的頭部，很有可能被**或假冒。防火墻為了實現(xiàn)在保護(hù)內(nèi)部網(wǎng)絡(luò)的安全同時，又可以保證需要放置在外網(wǎng)上的服務(wù)器的安全的一種方法。漳州防火墻系統(tǒng)開發(fā)</p><p style="text-indent:25px">防火墻是提供信息安全服務(wù)，實現(xiàn)網(wǎng)絡(luò)和信息安全的基礎(chǔ)設(shè)施。漳州防火墻系統(tǒng)開發(fā)</p><p style="text-indent:25px">ASIC技術(shù)的性能優(yōu)勢主要體現(xiàn)網(wǎng)絡(luò)層轉(zhuǎn)發(fā)上，而對于需要強(qiáng)大計算能力的應(yīng)用層數(shù)據(jù)的處理則不占優(yōu)勢，而且面對頻繁變異的應(yīng)用安全問題，其靈活性和擴(kuò)展性也難以滿足要求。由于該技術(shù)有較高的技術(shù)和資金門檻，主要是國內(nèi)外**廠商在采用，國外主要**廠商是Netscreen，國內(nèi)主要**廠商為天融信。網(wǎng)絡(luò)處理器架構(gòu)：由于網(wǎng)絡(luò)處理器所使用的微碼編寫有一定技術(shù)難度，難以實現(xiàn)產(chǎn)品的較優(yōu)性能，因此網(wǎng)絡(luò)處理器架構(gòu)的防火墻產(chǎn)品難以占有大量的市場份額。隨著網(wǎng)絡(luò)處理器的主要供應(yīng)商Intel、Broadcom、IBM等相繼出售其網(wǎng)絡(luò)處理器業(yè)務(wù)，該技術(shù)在網(wǎng)絡(luò)安全產(chǎn)品中的應(yīng)用已經(jīng)走到了盡頭。漳州防火墻系統(tǒng)開發(fā)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2764640.html</p></div></div></div></div></div><div id="fzls7rl" class="page-right twoColRt"><div id="3cn82md" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="i7suovc" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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