"BackGroup",REG_SZ,搜索但现实上,var a = b = 3; 实践是以下声明的简写:b=3; 当然还有一堆办法完成各种xss,各种姿态。
所以这种是最最最简略的xss也是最简略被运用的。
解决办法:对其进行严厉的JavascriptEncode,将某些字符转义,如 " 变成 " , 变成 等等(不止这些) 避免用户逃脱你的 双(单)引号,也能够避免其他姿态注入。
C: Javascript》》》生成HTML元素或增加html元素特点如 js 给 增加height 特点 变成 关于这个时分,从js输出数据到特点或 innerHTML/document.write 等函数生成任何元素,都要视为一次或许的XSS输出。
由于上下文现已不相同了,这次JavascriptEncode是不对的。
不然你只能确保数据在js里边不会被注入,而在html的话,就不必定了。
解决办法:应该运用 HTMLEncode 编码,确保你从js输出到HTML的元素和特点不会脱离你的操控。
D: Javascript》》》输出到HTML元素里边的工作 或其他任何动态履行js的当地列如下列一段代码,假定foo是从js履行之后动态输出到html里边的。
foo是用户能够操控的。
-h, --help show this help message and exit {
ipFailed[ip] = 0教你当黑客,破冰行动黑客软件,黑客 美国网站 wolegequ
SSLyzeSSLyze是一个Python东西,能够剖析一个服务器的SSL装备衔接到它。
规划为快速和全面的,应该协助安排和测验人员辨认SSL服务器装备过错影响他们。
答应:GPLv2cmd.exeMetasploitFramework——世界上更好用浸透测验结构。
作者:Rapid7 答应:BSD 3条款答应协议 请留意PentestBox的有两个版别,一个与Metasploit Metasploit和另一个。
假如没有完结下载Metasploit变体在这儿。
cmd.exe>atom has_extern_link: 0「教你当黑客,破冰行动黑客软件,黑客 美国网站 wolegequ」教你当黑客,破冰行动黑客软件4exec(`git clone ${params.repo} /some/path`);2let html = xss(
XSS Demo
)
教你当黑客,破冰行动黑客软件一向传闻windows10有一个超简版别企业版LTSC,有一台比较老旧的电脑一向都用的win7,可是为了一些方面的需求我得把一切的电脑都晋级成win10体系,所以就抱着试一试的心态装置了一个Windows 10 企业版LTSC(下简称LTSC版)。
装置进程此处不多介绍。
能够用PE体系装,能够将ISO文件写入U盘(或DVD光盘)引导装置(录了个在win7下装置的视频能够到我发的视频里边去看:win7晋级win10)。
装置完成后发动电脑体系盘占用空间不到10G,我是机械硬盘,开机也能在40秒以内(某管家检测是22秒左右,但我自己用秒表试了一下,35-40秒(装置了网站开发环境,小程序开发环境,PS等一些根本软件),还算能够了)点开开始菜单也是精简到不能再精简了。
下面首要介绍一下这个版别精简在哪里:Cortana的精简在LTSC版中没有Cortana(小娜),也就是说咱们无法经过语音操作。
假如是PC机这个精简真的太妙了,其实往常中咱们运用到Cortana的时刻也是十分少的。
可是并不是说没有了Cortana就无法搜索了,一般的搜索仍是保留着的。
仅仅只能够文字搜索。
运用商铺(Microsoft Store)的精简运用商铺的精简能够说是为体系的流通起到了决定性的作用,由于咱们知道在完整版的win10中运用商铺的存在不仅仅运用商铺自身,还包含了几十个相关程序的(如:我的手机、3D查看器、画图3D、视频编辑器、相机等)而这些程序都是在体系发动时就在后台运转了的。
所以LTSC版中运用商铺的精简诚心有点良知。
Micosoft Edge的精简Edge阅读器的精简,LTSC版中微软连这个阅读器都给精简掉了,可算是极大地良知。
自家的阅读器都不放在自己的体系里边。
可是IE阅读器仍是存在的,仅仅没有显现到开始菜单与桌面。
OneDrive组件与office组件的精简OneDrive的精简意味着LTSC版中真的没有微软自家的软件了,做到这点了,我觉得微软仍是能够的了。
总归,运用了两天LTSC版下来,装置了WEB运转环境,PS,虚拟机,微信开发者东西,VSCODE等软件实测作用仍是十分抱负的。
开着PS(处理小图片)、Word、阅读网页情况下CPU也能保持在20%以下。
总结:LTSC版引荐工作运用,但由于功能上的精简不适合研究学习和开发运用。
并且LTSC版运用的1803内核 ,暂时没有1903的版别。
至于下载能够网上搜索下载,也能够去购买光盘。
假如需求我在运用的版别能够私信我。
uid=1000(yang) gid=1000(yang) 组=1000(yang),7(lp),27(sudo),100(users),109(netdev),113(lpadmin),117(scanner),123(sambashare) initList: 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网线插座接法","single_mode":true,"gallary_image_count":5,"middle_mode":false,"has_video":false,"video_duration_str":null,"source_url":"/group/6511211323320193070/","source":"游戏高兴共享","more_mode":null,"article_genre":"article","has_gallery":false,"video_play_count":62,"image_url":"//p3.pstatp.com/list/190x124/593500055b91c3e31f0a","group_id":"6511211323320193070","is_related":true,"media_url":"/c/user/5169001207/"},{"comments_count":142,"media_avatar_url":"//p1.pstatp.com/large/66b80002a73a9cd407b8","is_feed_ad":false,"is_diversion_page":false,"title":"八种不常见的的违法用车行为,交警一查一个准,来看看你有没有!","single_mode":true,"gallary_image_count":8,"middle_mode":false,"has_video":false,"video_duration_str":null,"source_url":"/group/6529671109858558478/","source":"华车hWache","more_mode":null,"article_genre":"article","has_gallery":false,"video_play_count":35,"image_url":"//p3.pstatp.com/list/190x124/pgc-image/15203051458242ae1c57840","group_id":"6529671109858558478","is_related":true,"media_url":"/c/user/52140684892/"},{"comments_count":192,"media_avatar_url":"//p4.pstatp.com/large/39aa000417f58e690863","is_feed_ad":false,"is_diversion_page":false,"title":"三星S9扩展本地日子服务,欲在我国市场与华为PK","single_mode":true,"gallary_image_count":3,"middle_mode":false,"has_video":false,"video_duration_str":null,"source_url":"/group/6529836506457047566/","source":"榜首财经","more_mode":null,"article_genre":"article","has_gallery":false,"video_play_count":1,"image_url":"//p3.pstatp.com/list/190x124/65c000122405635b18fc","group_id":"6529836506457047566","is_related":true,"media_url":"/c/user/5431132532/"}]二层转发的转宣布是MAC表,设备经过MAC表查找报文的出接口,假如查表失利,报文就会进行播送,所以播送风暴是二层 *** 中最常见的现象。
因而,怎样确保转宣布的安全和怎样按捺播送风暴,是二层 *** 安全的要点问题怎样确保转宣布安全?为了确保二层流量能够正常转发,针对不同的使用场景,交换机供给了不同的办法确保转宣布的安全。
比如:MAC防漂移和端口安全经过MAC和接口的绑定,确保MAC表的安全。
DHCP Snooping经过记载用户DHCP的认证信息,确保动态用户的安全接入。
MAC防漂移接口只需接收到报文,就会进行MAC表项学习。
交换机从正确的接口学习到合法用户的MAC表后,又从其他接口接收到不合法用户的进犯报文时,就会导致MAC表项学习过错,二层转发出现反常。
最典型的场景如下图所示,不合法用户经过模仿网关的源MAC向接入交换机发送报文,网关对应MAC1的出接口就会从IF1漂移到IF2。
这样下行用户向网关发送报文时,经过MAC表项查询到的出接口便是过错的IF2,用户的报文就无法转发到网关,二层转发反常。
针对该场景,S交换机有两种办法进行安全防备: 装备静态MAC:把网关的MAC和接口手动绑定,使网关的MAC无法发作漂移。
[SwitchA] mac-address static 3-3-3 gigabitethernet 0/0/10 vlan 4 //假定网关的MAC是3-3-3,接口是GE0/0/10,把接口和MAC在VLAN 4的播送域内绑定装备MAC学习优先级:使IF1接口MAC学习优先级高于IF2接口,这样假如IF2接口再收到源MAC是MAC1的报文时,不再进行MAC学习,使MAC地址不进行漂移。
[SwitchA] interface gigabitethernet 0/0/10 //衔接网关的接口[SwitchA-GigabitEthernet0/0/10] mac-learning priority 3 //装备接口MAC学习优先级为更高值3阐明:有些交换机不支持装备MAC学习优先级,能够经过装备MAC Spoofing功用设置网关接口为信赖接口,避免网关的MAC地址漂移,装备办法如下:[SwitchA] mac-spoofing-defend enable //大局使能MAC Spoofing功用[SwitchA] interface gigabitethernet 0/0/10 //衔接网关的接口[SwitchA-GigabitEthernet0/0/10] mac-spoofing-defend enable //装备接口为信赖接口端口安全端口安全也是一种确保转宣布安全的特性。
在接口上使能端口安全功用后,接口上学习到的MAC地址就会主动转换为安全MAC,完成MAC地址和接口绑定,这样该MAC对应的用户就只能从该接口接入,无法再从其他接口接入。
别的,端口安全还能够经过设置接口下MAC表项的个数约束用户接入,确保只要先到的用户能够接入,后来的用户无法接入,一起也避免了黑洞MAC泛洪进犯导致MAC表溢出的问题。
可是端口安全无法判别接入的用户是否合法,只能确保先到的用户能够接入,假如先到的用户是不合法的,也是能够接入的。
如上图,某企业为了确保接入用户的安全性,避免不合法用户经过发送源MAC频频改变的报文进犯 *** ,一起避免不合法用户经过仿冒MAC地址接入 *** 。
要求一个接口下只允许三个用户接入,一起要求这三个用户只能从指定接口接入,不能从恣意端口接入。
为了完成上面安全策略,能够在SwitchA的GE0/0/1接口上装备端口安全功用,在有不合法用户想要经过该接口接入时,还能够上报告警。
在交换机装备端口安全的办法如下:[SwitchA] interface gigabitethernet 0/0/1[SwitchA-GigabitEthernet0/0/1] port-security enable //接口使能端口安全功用[SwitchA-GigabitEthernet0/0/1] port-security max-mac-num 3 //装备接口下只允许绑定三个MAC地址,也便是说只允许三个用户接入,默许情况下接口使能端口安全后,只能绑定一个MAC地址[SwitchA-GigabitEthernet0/0/1] port-security mac-address sticky //使能Sticky MAC功用,在保存装备重启后,接口和MAC的绑定不会消失怎样按捺播送风暴?什么是播送风暴?便是播送、不知道组播以及不知道单播报文过多或许在 *** 中成环的一种现象。
为什么会有播送风暴?二层转发是依据MAC表项转发的,假如报文的MAC地址在MAC表中找不到对应的出接口,报文就会在VLAN内一切端口进行转发,然后发生播送风暴。
怎样按捺播送风暴呢?按捺播送风暴更底子的办法是找到报文的出接口,使报文进行单播转发。
然而在实践使用中,因为MAC表的标准约束和二层转发的原理,播送风暴是无法彻底解决的,只能尽可能的削减安全危险。
交换机供给了两种安全办法:一是根据不同维度进行流量按捺,二是经过风暴操控堵塞端口或Error-Down端口。
流量按捺流量按捺能够从下面3个维度进行按捺:1、根据接口进行流量约束在接口的入方向上,别离对三类报文按百分比、包速率和比特速率进行流量按捺。
2、根据VLAN进行流量约束 对某个VLAN的上行流量,别离对三类报文按比特速率进行流量按捺。
3、根据接口进行流量堵塞在接口的出方向上,堵塞这三类报文的转发。
这些功用又该怎样使用呢?咱们从下图拓扑看一下使用场景和装备办法。
SwitchA是会聚层交换机,经过接口GE0/0/1接入 *** 的用户归于两个VLAN,VLAN 10和 VLAN 20;经过接口GE0/0/2接入 *** 的用户归于VLAN 30;经过接口GE0/0/3接入 *** 只要一个固定的用户,该用户对安全要求较高,不期望收到播送、不知道组播以及不知道单播报文。
装备思路:接口GE0/0/1下的用户归于不同的VLAN域,能够针对不同的VLAN别离进行流量按捺。
接口GE0/0/2下的用户归于同一个VLAN,能够直接针对该接口进行流量按捺。
接口GE0/0/3下的用户对安全要求较高,根据接口堵塞播送、不知道组播以及不知道单播报文的流量装备办法: 根据VLAN装备流量按捺,约束每个VLAN播送、不知道组播以及不知道单播报文的流量。
[SwitchA] qos car qoscar1 cir 1000 //装备Qos模板,许诺速率是1000kbit/s[SwitchA] vlan 10[SwitchA-vlan10] broadcast-suppression qoscar1 //在VLAN视图下使用该模板,对播送报文进行按捺,许诺速率是1000kbit/s[SwitchA-vlan10] multicast-suppression qoscar1 //在VLAN视图下使用该模板,对不知道组播的按捺,许诺速率是1000kbit/s[SwitchA-vlan10] unicast-suppression qoscar1 //在VLAN视图下使用该模板,对不知道单播的按捺,许诺速率是1000kbit/根据接口装备流量按捺,约束该接口播送、不知道组播以及不知道单播报文的流量。
[SwitchA] interface gigabitethernet 0/0/2[SwitchA-GigabitEthernet0/0/2] broadcast-suppression 5 //播送报文速率最多占接口速率的5%[SwitchA-GigabitEthernet0/0/2] multicast-suppression 5 //不知道组播报文速率最多占接口速率的5%[SwitchA-GigabitEthernet0/0/2] unicast-suppression 5 //不知道单播报文速率最多占接口速率的5%阐明:根据接口的流量按捺,有三种装备办法:能够根据百分比,包速率和比特速率别离按捺根据接口堵塞播送、不知道组播以及不知道单播报文的流量[SwitchA] interface gigabitethernet 0/0/3[SwitchA-GigabitEthernet0/0/3] broadcast-suppression block outbound //堵塞播送报文[SwitchA-GigabitEthernet0/0/3] multicast-suppression block outbound //堵塞不知道组播报文[SwitchA-GigabitEthernet0/0/3] unicast-suppression block outbound //堵塞不知道单播报文风暴操控风暴操控不只能够经过设置速率操控播送、不知道组播以及不知道单播报文,还能够在速率超越设置阈值时对接口履行赏罚动作。
1、堵塞端口:当一个检测周期内,接口上这三类报文中恣意报文的均匀速率大于指定的更大阈值时,接口就会被堵塞。
当一个检测周期内,接口上这三类报文中恣意报文的均匀速率小于指定的最小阈值时,接口就会铺开堵塞。
2、 Error-Down端口:当一个检测周期内,接口上这三类报文中恣意报文的均匀速率大于指定的更大阈值时,接口就会被Error-Down。
缺省情况下,被Error-Down的接口不会主动康复,需求手动履行restart指令进行康复。
假如在接口被Error-Down之前装备了主动康复时刻,抵达时刻后接口就会主动康复。
装备办法:[SwitchA] error-down auto-recovery cause storm-control interval 20 //假如接口被风暴操控error down,20秒后接口主动康复[SwitchA] interface gigabitethernet 0/0/5[SwitchA-GigabitEthernet0/0/5] storm-control broadcast min-rate 1000 max-rate 2000 //播送报文履行赏罚动作的阈值[SwitchA-GigabitEthernet0/0/5] storm-control action error-down //风暴操控的赏罚动作是error down[SwitchA-GigabitEthernet0/0/5] quit [SwitchA] interface gigabitethernet 0/0/6[SwitchA-GigabitEthernet0/0/6] storm-control multicast min-rate percent 5 max-rate percent 20 //不知道组播报文履行赏罚动作的阈值[SwitchA-GigabitEthernet0/0/6] storm-control action block //风暴操控的赏罚动作是堵塞端口
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