openbsd dns

OpenBSD builds a firewall-general Linux technology-Linux technology and application information. The following is a detailed description. According to the Function Description and enterprise requirements of the project, a network plan for the

The meaning of the TTL value and the difference from the TTL value of the domain nameThis article originates from the time drifting bottle http://www.9usb.net, the original address: http://www.9usb.net/201004/ttl-yuyuming-ttl.htmlTTL isTime to

Article Title: create a secure DNS server. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Like other large

Source: http://cnsnap.cn.freebsd.org/zh_CN/advocacy/myths.html UNIX Technology Development Forum http://www.usenix.cn As the BSD Project (dragonflybsd, FreeBSD, NetBSD, and OpenBSD) grows, their misunderstandings are also increasing. Some of these

Like other large software, the BINDDNS server also has many problems due to its large size and complicated functions. Therefore, the number of system intrusions targeting the BIND Security Vulnerabilities is also greatly increased, and the most

Overview This article discusses how to query the TCP/IP protocol stack of a host to collect valuable information. FirstFirst, I enumerated several "classic" operating system identification methods outside the stack fingerprint. And thenI described

Because of the well-known stability and reliability of Unix operating systems, the computers used to provide a wide range of Internet services run a large percentage of Unix and Unix-like operating systems, requiring a large number of skilled

Thanks to the well-known stability and reliability of UNIX operating systems, a large proportion of the operating systems used to provide various Internet services are UNIX and UNIX operating systems, therefore, a large number of people familiar

1. Name NMAP-network detection and security scanning tools 2. Syntax NMAP [scan type (s)] [Options] 3. Description NMAP is a network detection and security scanning program. System Administrators and individuals can use this software to scan a

The following articles provide some good ideas for network penetration. I. Click Click here to learn basic security information about the target host and network, including; 1. Administrator contact information, telephone number, telephone number; 2.