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href="http://m.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="pp22uwd" class="twoCol"><div id="m7rt3pz" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁(yè)?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_aqfh/">安全、防護(hù)</a>?<a href="http://m.cdcfah.com/cp/second-aqfh_jkcssb/">監(jiān)控傳輸設(shè)備</a>?<a href="http://m.cdcfah.com/cp/third-jkcssb_wxcsxt/">無(wú)線傳輸系統(tǒng)</a>?淮北防火墻系統(tǒng)公司信息推薦浙江越昕供應(yīng)</p><div id="b92v37a" class="leftbox clearfix"><h1>淮北防火墻系統(tǒng)公司信息推薦浙江越昕供應(yīng)</h1><div id="dknzbda" class="proBig"><div id="jlnpmoq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yuexin/637369762858984375/4743196.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gaxpw3b" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yuexin/637369762858984375/4743196.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zo8zyzr" 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>淮北防火墻系統(tǒng)公司,防火墻</p><p><span>***更新：</span>2021-02-03 07:15:32</p><p><span id="click" >瀏覽次數(shù)：6次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="jtbyqce" 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="qzwoqxe" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rbyv2el" class="box"><p><p style="text-indent:25px">防火墻技術(shù)是通過(guò)有機(jī)結(jié)合各類用于安全管理與篩選的軟件和硬件設(shè)備，幫助計(jì)算機(jī)網(wǎng)絡(luò)于其內(nèi)、外網(wǎng)之間構(gòu)建一道相對(duì)隔絕的保護(hù)屏障，以保護(hù)用戶資料與信息安全性的一種技術(shù)。防火墻技術(shù)的功能主要在于及時(shí)發(fā)現(xiàn)并處理計(jì)算機(jī)網(wǎng)絡(luò)運(yùn)行時(shí)可能存在的安全風(fēng)險(xiǎn)、數(shù)據(jù)傳輸?shù)葐?wèn)題，其中處理措施包括隔離與保護(hù)，同時(shí)可對(duì)計(jì)算機(jī)網(wǎng)絡(luò)安全當(dāng)中的各項(xiàng)操作實(shí)施記錄與檢測(cè)，以確保計(jì)算機(jī)網(wǎng)絡(luò)運(yùn)行的安全性，淮北防火墻系統(tǒng)公司，保障用戶資料與信息的完整性，為用戶提供更好、更安全的計(jì)算機(jī)網(wǎng)絡(luò)使用體驗(yàn)，淮北防火墻系統(tǒng)公司。所謂“防火墻”是指一種將內(nèi)部網(wǎng)和公眾訪問(wèn)網(wǎng)（如Internet）分開的方法，它實(shí)際上是一種建立在現(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)，淮北防火墻系統(tǒng)公司，隔離技術(shù)。越來(lái)越多地應(yīng)用于專門用網(wǎng)絡(luò)與公用網(wǎng)絡(luò)的互聯(lián)環(huán)境之中，尤其以接入Internet網(wǎng)絡(luò)為較甚。防火墻以保護(hù)用戶資料與信息安全性的一種技術(shù)?；幢狈阑饓ο到y(tǒng)公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮北防火墻系統(tǒng)公司,防火墻" src="https://tyunfile.71360.com/UploadFile/yuexin/637369762858984375/4743196.png"></div><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。防火墻都部署在網(wǎng)絡(luò)的出入口，是網(wǎng)絡(luò)通信的大門，這就要求防火墻的部署必須具備高可靠性。一般IT設(shè)備的使用壽命被設(shè)計(jì)為3至5年，當(dāng)單點(diǎn)設(shè)備發(fā)生故障時(shí)，要通過(guò)冗余技術(shù)實(shí)現(xiàn)可靠性，可以通過(guò)如虛擬路由冗余協(xié)議（VRRP）等技術(shù)實(shí)現(xiàn)主備冗余。目前，主流的網(wǎng)絡(luò)設(shè)備都支持高可靠性設(shè)計(jì)。滁州防火墻所謂“防火墻”是指一種將內(nèi)部網(wǎng)和公眾訪問(wèn)網(wǎng)（如Internet）分開的方法。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮北防火墻系統(tǒng)公司,防火墻" src="https://tyunfile.71360.com/UploadFile/yuexin/637369762600380860/4283601.png"></div><p style="text-indent:25px">計(jì)算機(jī)信息傳輸?shù)倪^(guò)程中，借助防火墻還能夠有效的實(shí)現(xiàn)信息的加密，通過(guò)這種加密技術(shù)，相關(guān)人員就能夠?qū)鬏數(shù)男畔⑦M(jìn)行有效的加密，其中信息密碼是信息交流的雙方進(jìn)行掌握，對(duì)信息進(jìn)行接受的人員需要對(duì)加密的信息實(shí)施***處理后，才能獲取所傳輸?shù)男畔?shù)據(jù)，在防火墻加密技術(shù)應(yīng)用中，要時(shí)刻注意信息加密處理安全性的保障。在防火墻技術(shù)應(yīng)用中，想要實(shí)現(xiàn)信息的安全傳輸，還需要做好用戶身份的驗(yàn)證，在進(jìn)行加密處理后，信息的傳輸需要對(duì)用戶授權(quán)，然后對(duì)信息接收方以及發(fā)送方要進(jìn)行身份的驗(yàn)證，從而建立信息安全傳遞的通道，保證計(jì)算機(jī)的網(wǎng)絡(luò)信息在傳遞中具有良好的安全性，非法分子不擁有正確的身份驗(yàn)證條件，因此，其就不能對(duì)計(jì)算機(jī)的網(wǎng)絡(luò)信息實(shí)施入侵。</p><p style="text-indent:25px">為了安全，主機(jī)通常會(huì)安裝防火墻。防火墻設(shè)置的規(guī)則可以限制其他主機(jī)連接。例如，在防火墻規(guī)則中可以設(shè)置IP地址，允許或阻止該IP地址主機(jī)對(duì)本機(jī)的連接；還可以設(shè)置偷聽端口，允許或阻止其他主機(jī)連接到本地偷聽的端口。為了清楚地了解目標(biāo)主機(jī)上是否安裝防火墻，以及設(shè)置了哪些限制，netwox工具提供了編號(hào)為76的模塊來(lái)實(shí)現(xiàn)。它通過(guò)發(fā)送大量的TCP[SYN]包，對(duì)目標(biāo)主機(jī)進(jìn)行防火墻探測(cè)，并指定端口通過(guò)得到的響應(yīng)包進(jìn)行判斷。如果目標(biāo)主機(jī)的防火墻處于關(guān)閉狀態(tài)，并且指定的端口沒有被偷聽，將返回[RST，ACK]包。如果目標(biāo)主機(jī)上啟用了防火墻，在規(guī)則中設(shè)置了端口，阻止其他主機(jī)連接該端口，那么在探測(cè)時(shí)將不會(huì)返回響應(yīng)信息。如果設(shè)置為允許其他主機(jī)連接該端口，將返回[SYN，ACK]包。通過(guò)以防火墻為中心的安全方案配置，能將所有安全軟件配置在防火墻上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮北防火墻系統(tǒng)公司,防火墻" src="https://tyunfile.71360.com/UploadFile/yuexin/637369762065263672/9878708.png"></div><p style="text-indent:25px">防火墻的硬件體系結(jié)構(gòu)曾經(jīng)歷過(guò)通用CPU架構(gòu)、ASIC架構(gòu)和網(wǎng)絡(luò)處理器架構(gòu)，他們各自的特點(diǎn)分別如下：通用CPU架構(gòu)：通用CPU架構(gòu)較常見的是基于Intel X86架構(gòu)的防火墻，在百兆防火墻中Intel X86架構(gòu)的硬件以其高靈活性和擴(kuò)展性一直受到防火墻廠商的喜愛；由于采用了PCI總線接口，Intel X86架構(gòu)的硬件雖然理論上能達(dá)到2Gbps的吞吐量甚至更高，但是在實(shí)際應(yīng)用中，尤其是在小包情況下，遠(yuǎn)遠(yuǎn)達(dá)不到標(biāo)稱性能，通用CPU的處理能力也很有限。國(guó)內(nèi)安全設(shè)備主要采用的就是基于X86的通用CPU架構(gòu)。ASIC架構(gòu)：ASIC（Application Specific Integrated Circuit，**集成電路）技術(shù)是國(guó)外較好網(wǎng)絡(luò)設(shè)備幾年前普遍采用的技術(shù)。由于采用了硬件轉(zhuǎn)發(fā)模式、多總線技術(shù)、數(shù)據(jù)層面與控制層面分離等技術(shù)， ASIC架構(gòu)防火墻解決了帶寬容量和性能不足的問(wèn)題，穩(wěn)定性也得到了很好的保證。通過(guò)防火墻技術(shù)能夠收集計(jì)算機(jī)網(wǎng)絡(luò)在運(yùn)行的過(guò)程當(dāng)中的數(shù)據(jù)傳輸、信息訪問(wèn)等多方面的內(nèi)容。阜陽(yáng)防火墻系統(tǒng)哪家優(yōu)惠</p><p style="text-indent:25px">只有在防火墻同意情況下，用戶才能夠進(jìn)入計(jì)算機(jī)內(nèi)。淮北防火墻系統(tǒng)公司</p><p style="text-indent:25px">連接監(jiān)控，實(shí)時(shí)監(jiān)控?cái)?shù)據(jù)庫(kù)的連接信息、風(fēng)險(xiǎn)狀態(tài)等。虛擬補(bǔ)丁，數(shù)據(jù)庫(kù)系統(tǒng)是個(gè)復(fù)雜的系統(tǒng)，自身存在很多漏洞，容易被攻擊者利用從而導(dǎo)致數(shù)據(jù)泄漏或致使系統(tǒng)癱瘓。由于需要保證業(yè)務(wù)連續(xù)性等多種原因，用戶通常不會(huì)及時(shí)對(duì)數(shù)據(jù)庫(kù)進(jìn)行補(bǔ)丁安裝。中安威士數(shù)據(jù)庫(kù)防火墻通過(guò)內(nèi)置的多種漏洞特征庫(kù)防止已知漏洞被利用，并有效降低數(shù)據(jù)庫(kù)被0day攻擊的風(fēng)險(xiǎn)。安全審計(jì)，系統(tǒng)能夠記錄對(duì)數(shù)據(jù)庫(kù)服務(wù)器的訪問(wèn)情況，包括用戶名、程序名、IP地址、請(qǐng)求的數(shù)據(jù)庫(kù)、連接斷開的時(shí)間、風(fēng)險(xiǎn)等信息，并提供靈活的查詢分析功能。報(bào)表，提供豐富的報(bào)表模板，包括各種審計(jì)報(bào)表、安全趨勢(shì)等。淮北防火墻系統(tǒng)公司</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/3138603.html</p></div></div></div></div></div><div id="etfho3t" class="page-right twoColRt"><div id="ujqsfmj" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uj88k32" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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