Apache2 SSL增加安全性
https://www.ssllabs.com/ssltest/ 刪除支持SSLv2 SSLv3 TLSv1 ... 閱讀全文
Linux
Ubuntu NAT & Port Forward
Ubuntu 20.04 LTS enable Routing & NAT iptables -L ... 閱讀全文
Ubuntu GNS3 Wireshark Permission denied
Couldn't run /usr/bin/dumpcap in child process: Permiss ... 閱讀全文
Bind9 DDNS Ubuntu 22.04
以下設定在DDNS的Server apt install bind9 建立一個 ddns 帳號 tsig-ke ... 閱讀全文
GNS3 + Ubuntu
sudo add-apt-repository ppa:gns3/ppa sudo apt update su ... 閱讀全文
MailCleaner OVA default password
MailCleaner預設的密碼這這個 root MCPassw0rd 不過Console的keymap不同, ... 閱讀全文
Nginx Reverse Proxy for multiple servers
Nginx Web server 192.168.0.214 WordPress 192.168.0.211 ... 閱讀全文
Zimbra using SocketLabs as external SMTP
由於家用ISP會Block 25 port而無發外寄郵件, 所以改用外部SMTP, 一個月2000封對於本人已 ... 閱讀全文
Ubuntu 18.04 Zimbra behind NAT
Can't receive self domain email behind NAT status=defer ... 閱讀全文
Ubuntu 20.04 LTS enable Routing & NAT
sysctl net.ipv4.ip_forward sysctl -w net.ipv4.ip_forwar ... 閱讀全文