威海防火墻系統(tǒng)費(fèi)用信息推薦浙江越昕供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="網(wǎng)關(guān)模式適用于內(nèi)外網(wǎng)不在同一網(wǎng)段的情況，防火墻設(shè)置網(wǎng)關(guān)地址實(shí)現(xiàn)路由器的功能，為不同網(wǎng)段進(jìn)行路由轉(zhuǎn)發(fā)。網(wǎng)關(guān)模式相比橋模式具備更高的安全性，在進(jìn)行訪問(wèn)控制的同時(shí)實(shí)現(xiàn)了安全隔離，具備了一定的私密性。NAT（NetworkAddressTransl"><meta name="keywords" content="威海防火墻系統(tǒng)費(fèi)用,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 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tcPro"><section class="home-main container clearfix"><div id="8elsubr" class="twoCol"><div id="8zbyaht" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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(wú)線傳輸系統(tǒng)</a>?威海防火墻系統(tǒng)費(fèi)用信息推薦浙江越昕供應(yīng)</p><div id="sxspw38" class="leftbox clearfix"><h1>威海防火墻系統(tǒng)費(fèi)用信息推薦浙江越昕供應(yīng)</h1><div id="i4ws2zb" class="proBig"><div id="c9p2q8a" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yuexin/637369762142734375/7937740.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nzv88q2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yuexin/637369762142734375/7937740.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="h4k2os2" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>威海防火墻系統(tǒng)費(fèi)用,防火墻</p><p><span>***更新：</span>2020-10-19 04:18:36</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rwtlnc8" 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(zhǎng)經(jīng)濟(jì)技術(shù)開(kāi)發(fā)區(qū)高鐵路669號(hào)國(guó)家大學(xué)科技園12號(hào)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="g9is8np" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="qhyfxzb" class="box"><p><p style="text-indent:25px">網(wǎng)關(guān)模式適用于內(nèi)外網(wǎng)不在同一網(wǎng)段的情況，防火墻設(shè)置網(wǎng)關(guān)地址實(shí)現(xiàn)路由器的功能，為不同網(wǎng)段進(jìn)行路由轉(zhuǎn)發(fā)。網(wǎng)關(guān)模式相比橋模式具備更高的安全性，在進(jìn)行訪問(wèn)控制的同時(shí)實(shí)現(xiàn)了安全隔離，具備了一定的私密性。NAT（Network Address Translation）地址翻譯技術(shù)由防火墻對(duì)內(nèi)部網(wǎng)絡(luò)的IP地址進(jìn)行地址翻譯，使用防火墻的IP地址替換內(nèi)部網(wǎng)絡(luò)的源地址向外部網(wǎng)絡(luò)發(fā)送數(shù)據(jù)；當(dāng)外部網(wǎng)絡(luò)的響應(yīng)數(shù)據(jù)流量返回到防火墻后，威海防火墻系統(tǒng)費(fèi)用，威海防火墻系統(tǒng)費(fèi)用，防火墻再將目的地址替換為內(nèi)部網(wǎng)絡(luò)的源地址。NAT模式能夠?qū)崿F(xiàn)外部網(wǎng)絡(luò)不能直接看到內(nèi)部網(wǎng)絡(luò)的IP地址，威海防火墻系統(tǒng)費(fèi)用，進(jìn)一步增強(qiáng)了對(duì)內(nèi)部網(wǎng)絡(luò)的安全防護(hù)。同時(shí)，在NAT模式的網(wǎng)絡(luò)中，內(nèi)部網(wǎng)絡(luò)可以使用私網(wǎng)地址，可以解決IP地址數(shù)量受限的問(wèn)題。代理服務(wù)器是防火墻技術(shù)引用比較普遍的功能。威海防火墻系統(tǒng)費(fèi)用</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="威海防火墻系統(tǒng)費(fèi)用,防火墻" src="https://tyunfile.71360.com/UploadFile/yuexin/637369762142734375/7937740.png"></div><p style="text-indent:25px">防火墻是一個(gè)由計(jì)算機(jī)硬件和軟件組成的系統(tǒng)，部署于網(wǎng)絡(luò)邊界，是內(nèi)部網(wǎng)絡(luò)和外部網(wǎng)絡(luò)之前的連接橋梁，同時(shí)對(duì)進(jìn)出網(wǎng)絡(luò)邊界的數(shù)據(jù)進(jìn)行保護(hù)，防止惡意入侵、惡意代碼的傳播等，保障內(nèi)部網(wǎng)絡(luò)數(shù)據(jù)的安全。防火墻技術(shù)是建立在網(wǎng)絡(luò)技術(shù)和信息安全技術(shù)基礎(chǔ)上的應(yīng)用性安全技術(shù)，幾乎所有的企業(yè)內(nèi)部網(wǎng)絡(luò)與外部網(wǎng)絡(luò)（如因特網(wǎng)）相連接的邊界設(shè)都會(huì)放置防火墻，防火墻能夠起到安全過(guò)濾和安全隔離外網(wǎng)攻擊、入侵等有害的網(wǎng)絡(luò)安全信息和行為。防火墻技術(shù)是建立在現(xiàn)代通信網(wǎng)絡(luò)技術(shù)和信息安全技術(shù)基礎(chǔ)上的應(yīng)用性安全技術(shù)。它是一個(gè)系統(tǒng)，位于被保護(hù)網(wǎng)絡(luò)和其它網(wǎng)絡(luò)之間，進(jìn)行訪問(wèn)控制，阻止非法的信息訪問(wèn)和傳遞。防火墻并非單純的軟件或硬件，它實(shí)質(zhì)是軟件和硬件加上一組安全策略的**。常州防火墻系統(tǒng)怎么收費(fèi)深度應(yīng)用安全，隨著網(wǎng)絡(luò)的快速發(fā)展，越來(lái)越多的應(yīng)用都建立在HTTP/HTTPS等應(yīng)用層協(xié)議之上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="威海防火墻系統(tǒng)費(fèi)用,防火墻" src="https://tyunfile.71360.com/UploadFile/yuexin/637369762030390625/1972051.png"></div><p style="text-indent:25px">支持線速處理，在不影響網(wǎng)絡(luò)運(yùn)行情況下，實(shí)現(xiàn)無(wú)縫部署到現(xiàn)有的網(wǎng)絡(luò)中。標(biāo)準(zhǔn)的傳統(tǒng)防火墻功能，需要擁有傳統(tǒng)防火墻的所有功能，包含***濾、網(wǎng)絡(luò)地址轉(zhuǎn)換、狀態(tài)檢測(cè)、虛擬**網(wǎng)等功能。集成入侵防御系統(tǒng)，在同一硬件內(nèi)結(jié)成了傳統(tǒng)防火墻和 IPS 的功能，IPS 成為防火墻的**部件，不是兩者的簡(jiǎn)單疊加，而是功能的無(wú)縫融合。防火墻和 IPS 的無(wú)縫融合、自動(dòng)聯(lián)動(dòng)的協(xié)作機(jī)制將**提升防御性能，增強(qiáng)網(wǎng)絡(luò)安全性。應(yīng)用識(shí)別、控制與可視化，與傳統(tǒng)防火墻基于端口和 IP 協(xié)議進(jìn)行應(yīng)用識(shí)別不同，而是會(huì)根據(jù)深度包檢測(cè)引擎識(shí)別到的流量在應(yīng)用層執(zhí)行訪問(wèn)控制策略。流量控制不再是單純地阻止或允許特定應(yīng)用，而是可用來(lái)管理寬帶或優(yōu)先排序應(yīng)用層流量。深度流量檢測(cè)讓管理員可針對(duì)單個(gè)應(yīng)用組件執(zhí)行細(xì)粒度策略。</p><p style="text-indent:25px">DMZ是防火墻為了實(shí)現(xiàn)在保護(hù)內(nèi)部網(wǎng)絡(luò)的安全同時(shí)，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(chóng)檢測(cè)及阻斷技術(shù)，保證在網(wǎng)關(guān)位置截獲各種常見(jiàn)的蠕蟲(chóng)，當(dāng)內(nèi)外網(wǎng)蠕蟲(chóng)發(fā)作時(shí)阻斷蠕蟲(chóng)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(yùn)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(guò)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(shí)隱蔽了內(nèi)部IP地址，節(jié)約合法IP和費(fèi)用。如果需要在內(nèi)網(wǎng)提供可以讓外部訪問(wèn)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(hù)可以直接訪問(wèn)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。防火墻較基本的功能是確保網(wǎng)絡(luò)流量的合法性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="威海防火墻系統(tǒng)費(fèi)用,防火墻" src="https://tyunfile.71360.com/UploadFile/yuexin/637369762640263672/1746756.png"></div><p style="text-indent:25px">防火墻的產(chǎn)品發(fā)展趨勢(shì)，目前，就防火墻產(chǎn)品而言，新的產(chǎn)品有：智能防火墻、分布式防火墻和網(wǎng)絡(luò)產(chǎn)品的系統(tǒng)化應(yīng)用等。智能防火墻：在防火墻產(chǎn)品中加入人工智能識(shí)別技術(shù)，不但提高防火墻的安全防范能力，而且由于防火墻具有自學(xué)習(xí)功能，可以防范來(lái)自網(wǎng)絡(luò)的較新型攻擊。分布式防火墻：一種全新的防火墻體系結(jié)構(gòu)。網(wǎng)絡(luò)防火墻、主機(jī)防火墻和管理中心是分布式防火墻的構(gòu)成組件。傳統(tǒng)防火墻實(shí)際上是在網(wǎng)絡(luò)邊緣上實(shí)現(xiàn)防護(hù)的防火墻，而分布式防火墻則在網(wǎng)絡(luò)內(nèi)部增加了另外一層安全防護(hù)。分布式防火墻的優(yōu)點(diǎn)有：支持移動(dòng)計(jì)算；支持加密和認(rèn)證功能，與網(wǎng)絡(luò)拓?fù)錈o(wú)關(guān)等。網(wǎng)絡(luò)產(chǎn)品的系統(tǒng)化應(yīng)用：主要是指某些廠商的安全產(chǎn)品直接與防火墻進(jìn)行融合，打包銷(xiāo)售。另外，有些廠商的產(chǎn)品之間雖然各自**，當(dāng)各個(gè)產(chǎn)品之間可以進(jìn)行通信。防火墻具有著防病毒的功能。日照防火墻廠家排名</p><p style="text-indent:25px">控防火墻系統(tǒng)是專(zhuān)門(mén)針對(duì)工業(yè)控制系統(tǒng)設(shè)計(jì)的安全防護(hù)類(lèi)產(chǎn)品。威海防火墻系統(tǒng)費(fèi)用</p><p style="text-indent:25px">控防火墻系統(tǒng)是專(zhuān)門(mén)針對(duì)工業(yè)控制系統(tǒng)設(shè)計(jì)的安全防護(hù)類(lèi)產(chǎn)品，用以提升整體網(wǎng)絡(luò)安全防護(hù)能力。系統(tǒng)采用獨(dú)有的工控協(xié)議指令級(jí)“四維一體”深度防護(hù)技術(shù)，支持OPC、Modbus TCP、Siemens S7、IEC104、EIP等多種主流工業(yè)協(xié)議深度解析，支持多種訪問(wèn)控制規(guī)則、VPN、流量控制、安全審計(jì)、DOS攻擊防護(hù)、ARP攻擊防護(hù)和自身訪問(wèn)控制等功能，可有效保障自身和工控網(wǎng)絡(luò)的雙重安全。產(chǎn)品基于工業(yè)級(jí)硬件平臺(tái)研發(fā)，具備寬溫、冗余電源、抗強(qiáng)電磁干擾等工業(yè)安全特性，適用于SCADA、DCS、PCS、PLC等工業(yè)監(jiān)控系統(tǒng)以及現(xiàn)場(chǎng)控制設(shè)備的安全防護(hù)，普遍應(yīng)用于軌道交通、電力、冶金、煤炭、石油化工、市政、汽車(chē)、***、智能制造、核電、**等行業(yè)。威海防火墻系統(tǒng)費(fèi)用</p><p style="text-indent:25px">浙江越昕信息技術(shù)有限公司致力于通信產(chǎn)品，是一家服務(wù)型公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下派網(wǎng)，安恒，小魚(yú)易連，利譜深受客戶(hù)的喜愛(ài)。公司從事通信產(chǎn)品多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專(zhuān)業(yè)化的隊(duì)伍，確保為客戶(hù)提供良好的產(chǎn)品及服務(wù)。浙江越昕秉承“客戶(hù)為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1612797.html</p></div></div></div></div></div><div id="3s72zgi" class="page-right twoColRt"><div id="mo3se7d" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="urgnkmo" 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" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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