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...
by S K Asif Akram | Nov 1, 2019 | Latest, Server Management
Asp.net Provider 80004005 Unspecified error can be a pain unless fixed. It appears all of a sudden making website features inaccessible. The typical causes include unresponsive databases, insuficients permissions, etc. At Bobcares, we often get requests to solve such...
by Adarsh M | Nov 1, 2019 | Latest, Server Management
Want to block ping in servers using UFW? Enabling ping on the server can make the server prone to attacks like Ping flood, Ping of death, etc. Fortunately, UFW has user-friendly options to block PING requests on the server. At Bobcares, we often receive requests...
by S K Asif Akram | Oct 31, 2019 | Latest, VPN
Have you ever end up using a VPN, only to find that it’s impossible to connect? Does it return a weird message of VPN error code 812? Interpreting VPN connection error codes can be frustrating. This 812 error mainly happens due to policy mismatch between VPN...
by Anjaly Baby | Oct 31, 2019 | cPanel, Latest, Server Management
Are you thinking about the ModSecurity whitelist IP option? ModSecurity can actively search for device threats and avoid malicious activity. However, often these rules trigger even with legitimate requests. This affects the normal working of the website. At Bobcares,...
by Keerthi PS | Oct 31, 2019 | Latest, Server Management
Have you just got a Moodle JSON error while trying to upload files? Usually, this invalid JSON string indicates an upload error. This can occur due to reasons like outdated browsers, larger file size, improper file format, etc. At Bobcares, we often get requests to...
