Dns Server
128 Stories
Create a safer DNS
Insight Cache poisoning, recursive queries and multiple interface-access are just three of the more critical banes in DNS security. A look these and other DNS issues and how to eradicate them.
As the packet flows: IP host name resolution troubleshooting guide
Insight IP host name resolution isn't as straightforward as once thought. There are several layers of complexity that can make the process error filled. Take an in-depth look at IP host name resolution so that you can fix problems quickly.
Keep DNS servers from contributing to denial-of-service attacks
Techguide How can a recursive query become a DDoS attack? It doesn't take much. Mike Mullins explains how an attacker can take advantage of a DNS server using recursion to perpetrate a DDoS attack.
Tags: Business security, PC security, Data security, Security, Security Management
High-risk Internet server exploit goes wild
News An active Bind 9 exploit that a hacker could use to crash Internet servers is in wide circulation, according to the Internet Systems Consortium.
Tags: Data security, Network security, Security Management, Security, Exploit, DNS Server, BIND, Server, DNS, DOS
Setting up a dynamic DNS service: dhcpd
Techguide In this followup to our previous report, we configure ISC's dhcpd service, which will serve the DHCP-based IP addresses to clients and update the DNS records accordingly.
Tags: Operating systems, Domain Name, DNS Server, IP, IP Address, MAC, Server, DNS, dynamic DNS, Operating systems
Set up split-brain DNS with Active Directory integrated zones
Techguide Learn how to configure conditional forwarding in Windows Server 2003 when a split-brain DNS setup is called for.
Tags: Domain names, Web servers, Domain Name, DNS Server, Domain, Environment, Server, DNS, Microsoft Windows Server, Microsoft Windows
DNS resource records still open to malicious redirection
Techguide Attacks against DNS cache integrity are an easy way for criminals to redirect your unsuspecting users to malicious sites. Learn more about how DNS works and what exactly DNS cache poisoning is.
Tags: LANs and WANs, Network security, Domain names, NIST, Security, Domain Name, DNS Server, Entry, IP, IP Address
Restarting Active Directory as a service in Windows Server 2008
Techguide Dependency services will also restart, when the Active Directory Domain Service is restarted.
Tags: Server platforms, Microsoft Windows, DNS Server, Active Directory Service, Directory Service, domain controller, Kerberos, Server, Microsoft Windows Server 2008, Microsoft Windows Server
First attacks on DNS flaws reported
News In a mailing-list post, a Linux user reveals what he claimed is evidence of attacks stemming from the critical Domain Name System flaw.
Tags: Security, Network security, Linux, Domain names, Fedora Project, Domain Name, Attack, Flaw, patch management, DNS
Setting up a dynamic DNS service
Techguide Vincent Danen shows you how to configure the BIND side of a dynamic DNS service.
Tags: Linux, Open source, Network administration/implementation, IP, DHCP, BIND, DHCP Server, Server, DNS, dynamic DNS
What Windows 7 means to Windows server administrators
Techguide Scott Lowe shares 10 items that Windows server administrators need to know in order to adequately support Windows 7 clients.
Tags: Servers, Client, BranchCache, DirectAccess, VPN Reconnect, BranchCache BranchCache, AppLocker Like DirectAccess, Windows XP Mode, Windows Deployment Services, Scott Lowe
UK Wikipedia censorship 'easy to evade'
News Cambridge University security expert describes the blocking mechanism used to censor Wikipedia in the United Kingdom as "fragile".
Tags: Search, Web sites, Web browsers, British Telecommunications, IP, Wikipedia, Internet Service, U.K., Internet Service Provider, Internet
Microsoft plugs remote execution, spoofing holes in Windows
News Software maker issues patches for critical and important holes in Windows, but fails to plug Excel hole that is being exploited.
Tags: PC security, Microsoft Corp., Security, Zero-day Bug, Microsoft Windows Metafile, Vulnerability, WINS, Server, Attacker, patch management
Half of DNS servers vulnerable to attack
News While security is improving, over 50 percent of Domain Name System servers are vulnerable to attack, according to security company Infoblox.
Tags: Domain names
Configuring DNS forwarders to support forest trusts
Techguide Forest trusts allow organizations to share resources without requiring additional login credentials or work-to-access resources on Windows Server 2003 systems in other forests.
Tags: Microsoft Server 2003
