Posted inCisco
EIGRP offset-list
現在PC2到PC1的路經: PC2 -> R2 -> R1 -> PC1 利用eigrp的offset-list更改路由, PC2 -> R2 -> R3 -> R1 -> PC1 PC1 ip 10.1.1.10/24 10.1.1.1 PC2 ip 20...
Ubuntu GNS3 Wireshark Permission denied
Couldn't run /usr/bin/dumpcap in child process: Permission denied sudo dpkg-reconfigure wireshark-common Yes sudo chmod +x /usr/bin/dumpcap
Posted inCisco
Cisco Policy Based Routing(PBR)
PC1: 10.0.0.1 Server1: 192.168.5.1 (config)#access-list 100 permit ip host 10.0.0.1 host 192.168.5.1 (config)#route-map PC1toServer1 permit (config-ro...
Posted inLinux
Bind9 DDNS Ubuntu 22.04
以下設定在DDNS的Server apt install bind9 建立一個 ddns 帳號 tsig-keygen -a hmac-sha512 ddns >> /tmp/ddns.key cat /tmp/ddns.key key "ddns" { algorithm hmac-s...
Posted inPalo Alto
Paloalto DNS Sinkhole
使用DNS sinkhole將已知有問題的Domain更換Lookback IP, 避免用戶不小心進入有害的網址 在Anti-Spyware新增一個Profile名為DNS-Sinkhole 在外出Internet的Rule裏使用剛才建立的DNS-Sinkhole profile 更新一下, 需要D...
GNS3 + Ubuntu
sudo add-apt-repository ppa:gns3/ppa sudo apt update sudo apt install gns3-gui gns3-server sudo dpkg --add-architecture i386 sudo apt update sudo apt ...
Posted inNetwork
EVE-ng error
netio error: unable to open NETMAP: No such file or directory touch /opt/unetlab/addons/iol/bin/NETMAP And then try again in WebGUI /opt/unetlab/data/...
Posted inWindows
PRTG windows wmi permission
Add user to below group Get-WmiObject -Namespace "root\cimv2" -Class Win32_LogicalDisk -ComputerName REMOTE_HOST -Credential DOMAIN\User
Posted inSophos XG Firewall
Sophos firewall XG nat 即時生效
剛測試的時候, 覺得Sophos為什麼NAT的設定好像有問題, 原來是要重設session才能生效 conntrack -D or conntrack -D -s {source pc ip}
Posted inMySQL
SQL Backup with email alert
在左邊Toolbox -> Maintenance Plan Tasks尋找Back Up Database Task, 然後Drop it到右邊窗格 Double Click Back Up Database Task, 以下備份設定, 請根據需要修改和設定 Toolbox -> Ma...