网络信息¶

# 使用效果一览
curl --proxy "http://abc:abc@u.8ops.top:56001"   "https://ip.8ops.top"
curl --proxy "socks5://abc:abc@u.8ops.top:56005" "https://ip.8ops.top"

cd /usr/local
FRP_VERSION=0.58.1
wget  https://github.com/fatedier/frp/releases/download/v${FRP_VERSION}/frp_${FRP_VERSION}_linux_amd64.tar.gz
tar xzf frp_${FRP_VERSION}_linux_amd64.tar.gz 
ln -s frp_${FRP_VERSION}_linux_amd64 frp

# config frps.ini
dashboard_user = admin
dashboard_pwd = 
token = 
allow_ports = 50000-51000,56000-57000
subdomain_host = 8ops.top

# vhost_http_port = 80
# vhost_https_port = 443

#[plugin.user-manager]
#addr = 127.0.0.1:9000
#path = /handler
#ops = Login
#
#[plugin.port-manager]
#addr = 127.0.0.1:9001
#path = /handler
#ops = NewProxy

# frps.toml
bindPort = 7000

webServer.addr = "127.0.0.1"
webServer.port = 7500
webServer.user = "admin"
webServer.password = "admin"

log.to = "/var/log/frps.log"
log.level = "info"
log.maxDays = 3

[[httpPlugins]]
name = "user-manager"
addr = "127.0.0.1:9000"
path = "/handler"
ops = ["Login"]

[[httpPlugins]]
name = "port-manager"
addr = "127.0.0.1:9001"
path = "/handler"
ops = ["NewProxy"]

# service
cat > /usr/lib/systemd/system/frps.service <<EOF
[Unit]
Description=Frp Server Service
After=network.target

[Service]
Type=simple
WorkingDirectory=/usr/local/frp
User=nobody
Restart=on-failure
RestartSec=5s
ExecStart=/usr/local/frp/frps -c frps.ini

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl start frps
systemctl enable frps
systemctl is-enabled frps
systemctl status frps

# config frpc.ini
[common]
server_addr = xx.8ops.top
server_port = 7000
token = 

[proxy-ssh-xx]
type = tcp
local_ip = 127.0.0.1
local_port = 22
remote_port = xx

[proxy-https-xx]
type = tcp
local_ip = 127.0.0.1
local_port = 443
remote_port = xx

[proxy-http-xx]
type = tcp
local_ip = 127.0.0.1
local_port = 80
remote_port = xx

[proxy-http-xx]
type = tcp
remote_port = xx
plugin = http_proxy
plugin_http_user = xx
plugin_http_passwd = xx

[proxy-socks5-xx]
type = tcp
remote_port = xx
plugin = socks5
plugin_user = xx
plugin_passwd = xx

# frpc.toml
serverAddr = "127.0.0.1"
serverPort = 7000

[[proxies]]
name = "http_proxy"
type = "tcp"
remotePort = 6000

[proxies.plugin]
type = "http_proxy"
httpUser = "abc"
httpPassword = "abc"

# /usr/local/frp/frpc tcp -n demo -t token -p tcp -s frps.8ops.top:7000 -r 56666 -i 127.0.0.1 -l 12622

# service
cat > /usr/lib/systemd/system/frpc.service <<EOF
[Unit]
Description=Frp Client Service
After=network.target

[Service]
Type=simple
WorkingDirectory=/usr/local/frp
User=nobody
Restart=on-failure
RestartSec=5s
ExecStart=/usr/local/frp/frpc -c frpc.ini

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl start frpc
systemctl enable frpc
systemctl is-enabled frpc
systemctl status frpc

开始 -> 运行 -> 输入cmd -> 在CMD窗口输入
ipconfig /flushdns

sudo rcnscd restart

sudo systemctl restart NetworkManager

sudo killall -HUP mDNSResponder

开启飞行模式 -> 关闭飞行模式

拔网线(断网) -> 插网线(重新连接网络)

ip(选项)(对象)
Usage: ip [ OPTIONS ] OBJECT { COMMAND | help }
       ip [ -force ] -batch filename

OBJECT := { link | address | addrlabel | route | rule | neigh | ntable |
       tunnel | tuntap | maddress | mroute | mrule | monitor | xfrm |
       netns | l2tp | macsec | tcp_metrics | token }

-V：显示指令版本信息；
-s：输出更详细的信息；
-f：强制使用指定的协议族；
-4：指定使用的网络层协议是IPv4协议；
-6：指定使用的网络层协议是IPv6协议；
-0：输出信息每条记录输出一行，即使内容较多也不换行显示；
-r：显示主机时，不使用IP地址，而使用主机的域名。

OPTIONS := { -V[ersion] | -s[tatistics] | -d[etails] | -r[esolve] |
        -h[uman-readable] | -iec |
        -f[amily] { inet | inet6 | ipx | dnet | bridge | link } |
        -4 | -6 | -I | -D | -B | -0 |
        -l[oops] { maximum-addr-flush-attempts } |
        -o[neline] | -t[imestamp] | -ts[hort] | -b[atch] [filename] |
        -rc[vbuf] [size] | -n[etns] name | -a[ll] }

网络对象：指定要管理的网络对象；
具体操作：对指定的网络对象完成具体操作；
help：显示网络对象支持的操作命令的帮助信息。

ip link show                    # 显示网络接口信息
ip link set eth0 up             # 开启网卡
ip link set eth0 down            # 关闭网卡
ip link set eth0 promisc on      # 开启网卡的混合模式
ip link set eth0 promisc offi    # 关闭网卡的混合模式
ip link set eth0 txqueuelen 1200 # 设置网卡队列长度
ip link set eth0 mtu 1400        # 设置网卡最大传输单元
ip addr show     # 显示网卡IP信息
ip addr add 192.168.0.1/24 dev eth0 # 为eth0网卡添加一个新的IP地址192.168.0.1
ip addr del 192.168.0.1/24 dev eth0 # 为eth0网卡删除一个IP地址192.168.0.1

ip route show # 显示系统路由
ip route add default via 192.168.1.254   # 设置系统默认路由
ip route list                 # 查看路由信息
ip route add 192.168.4.0/24  via  192.168.0.254 dev eth0 # 设置192.168.4.0网段的网关为192.168.0.254,数据走eth0接口
ip route add default via  192.168.0.254  dev eth0        # 设置默认网关为192.168.0.254
ip route del 192.168.4.0/24   # 删除192.168.4.0网段的网关
ip route del default          # 删除默认路由
ip route delete 192.168.1.0/24 dev eth0 # 删除路由

[root@localhost ~]# ip link list
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:16:3e:00:1e:51 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:16:3e:00:1e:52 brd ff:ff:ff:ff:ff:ff

[root@localhost ~]# ip -s link list
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    RX: bytes  packets  errors  dropped overrun mcast   
    5082831    56145    0       0       0       0      
    TX: bytes  packets  errors  dropped carrier collsns
    5082831    56145    0       0       0       0      
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:16:3e:00:1e:51 brd ff:ff:ff:ff:ff:ff
    RX: bytes  packets  errors  dropped overrun mcast   
    3641655380 62027099 0       0       0       0      
    TX: bytes  packets  errors  dropped carrier collsns
    6155236    89160    0       0       0       0      
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether 00:16:3e:00:1e:52 brd ff:ff:ff:ff:ff:ff
    RX: bytes  packets  errors  dropped overrun mcast   
    2562136822 488237847 0       0       0       0      
    TX: bytes  packets  errors  dropped carrier collsns
    3486617396 9691081  0       0       0       0     

[root@localhost ~]# ip route list 
112.124.12.0/22 dev eth1  proto kernel  scope link  src 112.124.15.130
10.160.0.0/20 dev eth0  proto kernel  scope link  src 10.160.7.81
192.168.0.0/16 via 10.160.15.247 dev eth0
172.16.0.0/12 via 10.160.15.247 dev eth0
10.0.0.0/8 via 10.160.15.247 dev eth0
default via 112.124.15.247 dev eth1

[root@localhost ~]# ip neigh list
112.124.15.247 dev eth1 lladdr 00:00:0c:9f:f3:88 REACHABLE
10.160.15.247 dev eth0 lladdr 00:00:0c:9f:f2:c0 STALE

ip link | grep -E '^[0-9]' | awk -F: '{print $2}'