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...
by Lakshmi S Panicker | Nov 1, 2019 | Latest, Server Management
Are you frustrated with “Moodle SMTP error could not authenticate”? Though moodle comes with many standard features, it is never free of errors. An SMTP authentication error is a tricky moodle error. This occurs mainly due to errors in SMTP fields in...
by Keerthi PS | Nov 1, 2019 | Latest, Server Management
Is your server reporting Postfix queue file size limit exceeded error? This can be simply resolved by changing the message size limit in the config file. Mails are so crucial today and so are the mail errors. Hence, at Bobcares we provide an immediate fix for Postfix...
