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Stay informed and inspired with our blogs to navigate and resolve any technical challenges that you may encounter.
How we efficiently enable port 587 postfix?
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...
509 bandwidth limit exceeded – Possible ways to avoid it
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...
IPTables NAT Masquerade – How we do it?
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...
Postfix error mail transport unavailable – How we figured it out
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...
Fail2ban ignoreip – Easy way to whitelist trusted IPs
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...
Fail2ban blacklist IP – Easy way to do it!!
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...
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HTTP Error 404.3 – Not Found – How to fix it
Website errors always make users panic. A common error in Windows-based websites is HTTP Error 404.3 - Not Found. This error happens due to missing script handlers or MIME mapping in the IIS web server. At Bobcares, we often get requests to fix HTTP errors, as a part...
SMTP authentication error 534- Quick Fix!!
What if you get an SMTP authentication error 534 while sending an important email? Getting errors while sending important emails always frustrates us. SMTP error 534 is one such tricky error. Error 534 occurs mainly due to authentication failures when trying to send...
MongoDB error code 48 – Quick fix!
Have you just got MongoDB Error shutting down with code:48? This is an error message that MongoDB users often get when the port for MongoDB is already in use. So, to fix involves finding the already running process or assigning a different port for MongoDB. At...
PHP Redis extension- How we set it up?
Are you searching for an option to speed up your website? If so, the PHP Redis extension is one better option. Redis is an open-source, cache store mechanism that supports a wide range of data structures. PHP Redis extension allows accessing the Redis server from PHP....
DirectAdmin port 2222 not working – How we fix it!
"Am unable to access my server via http://xxx.xxx.xxx.xx:2222, DirectAdmin port 2222 not working". Please fix it. That was a recent HelpDesk request we received in our Server Management Services. This is a common issue when we try to connect the server via the...
Easy fix for VPN error 429!!
Ever wondered why we get a VPN error 429? Usually, we use a VPN to have secure connections. But, some errors are common while connecting VPN over the internet. Error 429 is one such error that occurs due to connection failure between the VPN client and server. At...
