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Limit SSH Access to Specific Clients by IP Address

  • Ivan Ivanov
  • Security
Limit SSH Access to Specific Clients by IP Address

For example, to allow traffic from 192.168.0.0/24 network and otherwise, drop the traffic (to port 22). The DROP rule is not required if your iptables default policy is configured to DROP.
iptables -A INPUT -p tcp --dport 22 --source 192.168.0.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport [...]

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Rocket.Chat - Free, Open Source, Enterprise Team Chat

  • Ivan Ivanov
  • Tech News
Rocket.Chat - Free, Open Source, Enterprise Team Chat

Rocket.Chat is free, unlimited and open source. Replace email, HipChat & Slack with the ultimate team chat software solution.Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor full-stack framework. It is a great solution for communities and companies wanting to privately [...]

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How to Transfer Mailboxes Between IMAP Servers with Imapsync

  • Ivan Ivanov
  • PHP
How to Transfer Mailboxes Between IMAP Servers with Imapsync

Imapsync is an IMAP transfer tool used for transferring mailboxes and emails from one IMAP server to another IMAP server. Imapsync application is a command line tool that allows incremental and recursive IMAP transfers from one mailbox to another, both anywhere on the internet or in your local area [...]

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How to retry connections with wget?

  • Ivan Ivanov
  • Linux
How to retry connections with wget?

If you have very unstable internet connection or you are downloading files as large as 200GB or even less you could experience timeout issue and you would have to start your wget download again which is quite frustrating especially if the download was close to 90%. Of course there is a quick work-around [...]

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Install MySecureShell SFTP Server

  • Ivan Ivanov
  • Linux
Install MySecureShell SFTP Server

MySecureShell is a solution which has been made to bring more features to sftp/scp protocol given by OpenSSH. By default, OpenSSH brings a lot of liberty to connected users which imply to trust in your users. The goal of MySecureShell is to offer the power and security of OpenSSH, with enhanced features [...]

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