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security

2023

Configure chroot jail for SFTP on Debian

15 November 2023·216 words·2 mins

security linux security sftp ssh

Setting up a chroot jail for SFTP (Secure File Transfer Protocol) on a Debian server enhances security by restricting users’ access to a specific directory.

Simple Stateful Firewall with nftables

15 November 2023·131 words·1 min

security nftables firewall

The nftables is a subsystem of the Linux kernel providing filtering and classification of network packets/datagrams/frames.

Simple Stateful Firewall with iptables

15 November 2023·397 words·2 mins

security iptables firewall

IMPORTANT: iptables is replaced by nftables!