linux 网络操作相关命令
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#/bin/sh #查看http请求的header tcpdump -s 1024 -l -A -n host 192.168.9.56 tcpdump -s 1024 -l -A src 192.168.9.56 or dst 192.168.9.56 sudo tcpdump -A -s 1492 dst port 80 #本地网络中IP地址为192.168.0.5的主机现在与外界通信的情况 sudo tcpdump -i eth0 src host 192.168.0.5 #查看网卡eth0的http请求的tcp包 tcpdump -i eth0 port http tcpdump -i eth0 port http or port smtp or port imap or port pop3 -l -A | egrep -i 'pass=|pwd=|log=|login=|user=|username=|pw=|passw=|passwd=|password=|pass:|user:|userna me:|password:|login:|pass |user ' #查看tcp,upd,icmp非ssh的包 tcpdump -n -v tcp or udp or icmp and not port 22 #查看http请求的request 包 sudo tcpdump -i eth0 port 80 -w - #过滤http响应的get host头信息 sudo tcpdump -i en1 -n -s 0 -w - | grep -a -o -E "GET \/.*|Host\: .*" #DNS查询请求响应包 sudo tcpdump -i en0 'udp port 53' #nmap -sP指定使用Ping echo 进行扫描 /24查看目的网络有多少主机处于运行状态 nmap -sP 192.168.0.1 nmap -sP 192.168.0.0/24 nmap -O www.baidu.com #Netstat主要用于Linux/Unix主机察看自身的网络状况,如开启的端口、在为哪些用户服务以及服务的状态 netstat -a netstat -nlp #netcat扫描机器开放的端口 nc -z -v -n 172.31.100.7 21-25 #netcat 命令会连接开放端口21并且打印运行在这个端口上服务的banner信息。 nc -v 172.31.100.7 21 #输出网络的路由表 route #显示结果包括服务器已经运行了多长时间,有多少登陆用户和对服务器性能的总体评估(load average)。 uptime #监控 eth1 的网卡的流量 iftop -i eth1 #以位元组(bytes 即字节)为单位显示流量(预设是位元 bits): iftop -B #直接显示 IP, 不进行DNS 反解: iftop -n #直接显示连接埠编号, 不显示服务名称: iftop -N #显示某个网段进出封包流量 iftop -F 192.168.1.0/24 or 192.168.1.0/255.255.255.0 #网络流量实时监控工具之nload,查看网卡eth0的流量 nload -n eth0 #查看各个网卡的流量 nload -h #IPTraf是一个网络监控工具,功能比nload更强大,可以监控所有的流量,IP流量,按协议分的流量,还可以设置过滤器 iptraf #查看网络接口当前配置与接口命名: ifconfig #打开(up)或关闭(down)适配器 ifconfig <网络名> <up|down> #为适配器分配IP地址: ifconfig <网络名> <ip地址> #为适配器分配第二个IP地址: ifconfig <网络名:实例数> <ip地址> #显示某个网络适配器的驱动信息,适用于查询软件兼容性的情况: ethtool -i eth0 #显示网络数据: ethtool -S #设置适配器连接速度(Mbps) ethtool speed <10|100|1000> #iwconfig 查基本的Wi-Fi网络设置,如SSID、channel和加密等细节。此外还可以修改一些高级设置,包括接收敏感度,RTS/CTS,碎片,以及重试数 #显示当前无线设置,包括接口名称: iwconfig #设置ESSID(扩展服务设置识别器)或网络名: iwconfig <接口名> essid <网络名> #wget wget -S --spider http://osswin.sourceforge.net/ 2>&1 | grep Mod #查看mac地址 cat /sys/class/net/*/address #查看eth0的ip ifconfig eth0 | awk '/inet addr/ {split ($2,A,":"); print A[2]}' #curl 查看页面对应的domail name curl -s http://en.m.wikipedia.org/wiki/List_of_Internet_top-level_domains | sed -n '/<tr valign="top">/{s/<[^>]*>//g;p}' #talnet telnet localhost 6666 #查看所有的网络接口 awk '{print $1}' /proc/net/dev|grep :|sed "s/:.*//g" #查看DNS server版本好 nslookup -q=txt -class=CHAOS version.bind NS.PHX5.NEARLYFREESPEECH.NET
( ! ) Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/vhosts/shan.info/httpdocs/templates/gk_publisher/html/com_k2/templates/default/item.php on line 169 | ||||
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Call Stack | ||||
# | Time | Memory | Function | Location |
1 | 0.0010 | 412152 | {main}( ) | .../index.php:0 |
2 | 0.0940 | 4262008 | Joomla\CMS\Application\SiteApplication->execute( ) | .../index.php:49 |
3 | 0.0940 | 4262008 | Joomla\CMS\Application\SiteApplication->doExecute( ) | .../CMSApplication.php:196 |
4 | 0.4544 | 11452816 | Joomla\CMS\Application\SiteApplication->dispatch( ) | .../SiteApplication.php:233 |
5 | 0.4558 | 11477080 | Joomla\CMS\Component\ComponentHelper::renderComponent( ) | .../SiteApplication.php:194 |
6 | 0.4568 | 11532408 | Joomla\CMS\Component\ComponentHelper::executeComponent( ) | .../ComponentHelper.php:377 |
7 | 0.4572 | 11559808 | require_once( '/var/www/vhosts/shan.info/httpdocs/components/com_k2/k2.php' ) | .../ComponentHelper.php:402 |
8 | 0.4698 | 11959440 | K2ControllerItem->execute( ) | .../k2.php:64 |
9 | 0.4698 | 11959440 | K2ControllerItem->display( ) | .../BaseController.php:710 |
10 | 0.4828 | 12610144 | K2ControllerItem->display( ) | .../item.php:78 |
11 | 0.4828 | 12610144 | K2ControllerItem->display( ) | .../controller.php:19 |
12 | 0.4889 | 12981184 | Joomla\CMS\Cache\Controller\ViewController->get( ) | .../BaseController.php:663 |
13 | 0.4907 | 13067088 | K2ViewItem->display( ) | .../ViewController.php:102 |
14 | 0.5896 | 15905184 | K2ViewItem->display( ) | .../view.html.php:742 |
15 | 0.5896 | 15905184 | K2ViewItem->loadTemplate( ) | .../HtmlView.php:230 |
16 | 0.5925 | 16078120 | include( '/var/www/vhosts/shan.info/httpdocs/templates/gk_publisher/html/com_k2/templates/default/item.php' ) | .../HtmlView.php:701 |
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( ! ) Notice: Only variables should be assigned by reference in /var/www/vhosts/shan.info/httpdocs/templates/gk_publisher/html/com_k2/templates/default/item.php on line 478 | ||||
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Call Stack | ||||
# | Time | Memory | Function | Location |
1 | 0.0010 | 412152 | {main}( ) | .../index.php:0 |
2 | 0.0940 | 4262008 | Joomla\CMS\Application\SiteApplication->execute( ) | .../index.php:49 |
3 | 0.0940 | 4262008 | Joomla\CMS\Application\SiteApplication->doExecute( ) | .../CMSApplication.php:196 |
4 | 0.4544 | 11452816 | Joomla\CMS\Application\SiteApplication->dispatch( ) | .../SiteApplication.php:233 |
5 | 0.4558 | 11477080 | Joomla\CMS\Component\ComponentHelper::renderComponent( ) | .../SiteApplication.php:194 |
6 | 0.4568 | 11532408 | Joomla\CMS\Component\ComponentHelper::executeComponent( ) | .../ComponentHelper.php:377 |
7 | 0.4572 | 11559808 | require_once( '/var/www/vhosts/shan.info/httpdocs/components/com_k2/k2.php' ) | .../ComponentHelper.php:402 |
8 | 0.4698 | 11959440 | K2ControllerItem->execute( ) | .../k2.php:64 |
9 | 0.4698 | 11959440 | K2ControllerItem->display( ) | .../BaseController.php:710 |
10 | 0.4828 | 12610144 | K2ControllerItem->display( ) | .../item.php:78 |
11 | 0.4828 | 12610144 | K2ControllerItem->display( ) | .../controller.php:19 |
12 | 0.4889 | 12981184 | Joomla\CMS\Cache\Controller\ViewController->get( ) | .../BaseController.php:663 |
13 | 0.4907 | 13067088 | K2ViewItem->display( ) | .../ViewController.php:102 |
14 | 0.5896 | 15905184 | K2ViewItem->display( ) | .../view.html.php:742 |
15 | 0.5896 | 15905184 | K2ViewItem->loadTemplate( ) | .../HtmlView.php:230 |
16 | 0.5925 | 16078120 | include( '/var/www/vhosts/shan.info/httpdocs/templates/gk_publisher/html/com_k2/templates/default/item.php' ) | .../HtmlView.php:701 |