Pay Attention to New SLP Vulnerability That May Lead to Massive DDoS Amplification Attacks

A new reflective Distributed-Denial-of-Service (DDoS) amplification vulnerability was recently discovered in the Service Location Protocol (SLP), which allows attackers to achieve a high amplification factor of over 2,200 times. This vulnerability has been identified as CVE-2023-29552, potentially making it one of the largest amplification attacks ever recorded. SLP is a...

How to Power Off ADS M Portal Properly

To ensure proper shutdown of the ADS M Portal, it is recommended to synchronize memory data with the hard disk before initiating a shutdown. The command for this is sync. Failure to do so may result in data loss. After synchronization, you may proceed with the shutdown command for power...

Linux Kernel Privilege Escalation Vulnerability (CVS 2023-32233) Notice

Overview Recently, NSFOCUS CERT found that the PoC of Linux Kernel privilege escalation vulnerability (CVE-2023-32233) was publicly disclosed online. There is a use-after-free vulnerability in Linux kernel's subsystem Netfilter nf_tables, which can be exploited by authenticated local attackers to perform arbitrary read and write operations in kernel memory, ultimately elevating...

Configuring TCP Flood Protection on NSFOCUS WAF

According to the working principle of TCP/IP, only a certain amount of TCP/IP connections are allowed. Attackers exploit this to launch TCP flood attacks, which are divided into two types: SYN flood attacks An attacker sends too many SYN packets to a target server for processing, exhausting the server's resources...

Key Technologies for Software Supply Chain Security – Data Security Technology

According to Gartner's supply chain security risk report in 2021[1], breaches of confidential or sensitive information constitute another major factor contributing to software supply chain risks. Hackers steal hard-coded credentials in source code, building logs, and infrastructure, such as API keys, encryption keys, tokens, and passwords, or locate vulnerabilities in...