*//installation bind service3.systemctl start Named.service//Start service4.NETSTAT-UTLNP | grep named//view service port5.RPM-QL bind-9.9.4-50.el7.x86_64//View the path generated during installation6.vim/etc/named.conf//Modify Master File7. Add a configuration area8. Depending on the version of the installation system, the reverse parsing file directory will change.Cd/var/namedCP Named.localhost Linuxma.com.zoneCP Named.localhost 192.168.227.zoneVim/
I found the following error when installing the DNS service for Linux 5 today![Root @ localhost server] # rpm-IVH bind-chroot-9.3.3-7.el5.i386.rpmWarning: bind-chroot-9.3.3-7.el5.i386.rpm: Header V3 DSA Signature: nokey, key ID 37017186Error: Failed dependencies:Bind = 30: 9.3.3-7. EL5 is needed by bind-chroot-9.3.3-7.el5.i386
This is mainly because the corresponding package is missing.
If the system softwa
Today, when I was playing VMware, I ping www.baidu.com with the ping command, and the results show Unkown hosts www.baidu.com, but ping a certain IP is normal.Examples are as follows:[[email protected] ~]# Ping www.baidu.comPing:unknown Host Www.baidu.com[[email protected] ~]# Ping 119.29.25.60PING 119.29.25.60 (119.29.25.60) bytes of data.Bytes from 119.29.25.60:icmp_seq=1 ttl=128 time=41.9 msBytes from 119.29.25.60:icmp_seq=2 ttl=128 time=43.3 msBytes from 119.29.25.60:icmp_seq=3 ttl=128 time=
Release date:Updated on:
Affected Systems:TFTPD32 TFTPD32 4.00Description:--------------------------------------------------------------------------------Bugtraq id: 53704
Tftpd32 is a TFTP and DHCP server on Windows.
A Denial-of-Service vulnerability exists in implementation of versions earlier than TFTPD32 4.00. the DNS server is bound to UDP port 53, but the domain option size is not verified. When sendi
To configure the DNS approximate steps:1. Configure the IP address, and DNS points to itself.2. Turn off the firewall and turn off SELinux.3. Mount and install the bind package4. Copy the configuration file5. Configuring named.conf Primary Files6. Configure forward and backward files7. Configure the Forward file8. Configuring Reverse Files9. Restart the service10. Testing ServicesBody1. Configure the IP add
Affected Systems:Cisco IOS 15.xCisco IOS XE 3.xDescribe:--------------------------------------------------------------------------------Bugtraq id:70132CVE (CAN) id:cve-2014-3357Cisco IOS is the internetwork operating system used on most Cisco system routers and network switches.Cisco iOS 15.0, 15.1, 15.2, 15.4, iOS XE 3.3.xSE, 3.3.xXO, 3.5.xE, 3.11.xS a remote denial of service vulnerability exists on the implementation that could allow an attacker t
Article Title: configure the DNS service in detail on Redhat9.0. 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.
Prerequisites: The machine name is bak.5ilinux.com and the domain name is 5ilinux.com.
1. Install from the installation disk
Rpm-ivh bind-9.2.2-21.i3
Previously thought is not set up, because in the self-service management system did not find the place.
Today to the million Network technology customer service call, just know, in fact, can be set. Login www.net.cn, in the left menu has a "domain DIY self-help management", click to enter the "domain name self-help resolution platform" (Http://diy.hichina.com/cgi-bin/login), Use domain name and domain na
configured well after dig www.baidu.comConfiguration of the DNS server (forward parsing)Service side:Vim/etc/named.rfc1912.zonesCopy and paste the 19th to 24th line in line 25 to modifyZone "Lcdqqq.com" in {Type master;File "Lcdqqq.com.zone";allow-update {none;};29};Vim/var/namedllCopy the Named.localhost to lcdqqq.comCp-p named.localhost lcdqqq.com (-P: Full replication, even permissions copied)Enter the
EnvironmentOperating system: CentOS 6.5DNS software: Bind (Installation reference: "Linux" DNS service-bind basic configuration (ii))Bind slave ServerFrom the server is to add the configuration information from the domain example.net in the main configuration file of Bind 3 1. configuration file Location /var/named/chroot/etc/named.conf2. Add a zone definition for a row of fields in the master configurat
Recently, users always reflect the login to a server, the user authentication failed error.After I manually restart the winbind process, the login is back to normal.Authconfig Check the configuration column, there is a cache information this item, try to hook up, the result of reloading Winbind when the service NSCD load failed.Baidu learned that NSCD is the DNS caching
Enter "Mount/dev/sr0/mnt" to mount the disc,Then enter "rpm-ivh/mnt/packages/bind-9.7.3-8.p3.el6.i686.rpm" To install the DNS service:After "vi/etc/named.conf" to view the global configuration file,Turn on the 53 port and match the IP address of the machine (IPv6 is temporarily unavailable, can be commented out by the # number),Change "localhost" to "any" to allow any user access:Then enter "Vi/etc/named.rfc1912.zones" to access the zone configuration
Refer to http://www.centoscn.com/CentosServer/dns/2014/0113/2355.html keepalive high-availability modeThis scheme is only suitable for small businesses, in the case of low-scale use, the resolution of a large amount of time or bind the best.If you add Local intranet own domain name hijacking resolution, simply add the parse record in the installed DNSMASQ/etc/hosts and restart DNSMASQ to take effect.Common Enterprise IT Support "5, intranet
server configuration is complete.8. Configuration forward parsingVim/etc/named.confAddZone "Redhat.com" in {Type master;File "Redhat.com.zone";};9. Add forward parsing configuration fileVim/var/named/redhat.com.zone$TTL 86400@ in SOA ns1.redhat.com. Admin.redhat.com. (2015010101; Serial1H; Refresh5M; Retry1W; Expire3H); MinimumIn NS ns1In MX ten MailNS1 in A 192.168.101.168Mail in A 192.168.101.10www in A 192.168.101.11www in A 192.168.101.12# License Related Documentschmod 640/var/named/redhat
Open, stop, restart service
Sevices NSCD Start | Stop | Restart
Cache db Files under/VAR/DB/NSCD
Nscd-g View Statistics
Clear Cache
Nscd-i passwdNscd-i GroupNscd-i hosts
Add: Turn on the NSCD cache service to speed up DNS resolution
Here's the start:
1. Install NSCD
yum install nscd
2. Modify the configuration file.
To modify the
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