by Gayathri R Nayak | Nov 3, 2019 | Latest, Server Management
Enabling port 587 in Postfix is really easy. Port 587 ensures the security of the emails while sending them. Therefore, it reduces the rejected emails on the server. At Bobcares, we receive requests to enable the ports on postfix and fix its errors as a part of our...
by Keerthi PS | Nov 2, 2019 | Latest, Server Management
Is your website showing 509 bandwidth limit exceeded message? It just indicates that your website traffic is too high that the host cannot allow. This too has a simple fix, free up some bandwidth always. Usually, we do this by upgrading the hosting plan, reduce file...
by Keerthi PS | Nov 2, 2019 | Latest, Server Management
Ever wondered how private networks can share a single public IP without breaking a sweat? Enter iptables NAT masquerade, a powerful tool that makes this possible. Essentially, it functions as a router, cleverly hiding the access of private networks while sharing a...
by Jilu Joseph | Nov 2, 2019 | Latest, Server Management
There are lots of undelivered outgoing emails in my server and I see an error message as Postfix error mail transport unavailable! . What I need to do? One of the typical postfix errors which creates a problem for many of our customers. Mail transport unavailable...
by Keerthi PS | Nov 2, 2019 | Latest, Server Management
Fail2ban ignoreip is a default feature to whitelist trusted IPs. Usually, fail2ban bans IPs that are suspicious while monitoring logs. But if the user wants to whitelist a trusted IP, we edit ignoreip in the conf file. At Bobcares, we use fail2ban to whitelist IPs, as...
by Lakshmi S Panicker | Nov 1, 2019 | Latest, Server Management
Have you ever wondered how fail2ban blacklist IP? Fail2ban protects our server mainly from brute-force attacks. It bans suspicious IP addresses in the server firewall. At Bobcares, we often receive requests to blacklist IP addresses as part of our Server Management...
