Reverse DNS records not registered when using DHCP
Windows client > NIC > ipv4 > check the box named:
Use this connection's DNS suffix in DNS registration
Interested in Windows, Networking, Cisco, HTML, Powershell, Perl, Outlook, Exchange, Troubleshooting
10/19/2015
Recognizing and Categorizing Symptoms of Voice Quality Problems - Cisco
Recognizing and Categorizing Symptoms of Voice Quality Problems - Cisco:
Interesting categorization with sample sound bites.
Interesting categorization with sample sound bites.
How to Do TCP Sequence Number Analysis
How to Do TCP Sequence Number Analysis
From packetbomb.com
TCP typically ACKs every other segment
Add sequence number, next sequence number, and acknowledgment number to your Wireshark columns
Next sequence number is sequence number plus TCP data payload length
ACK number tells you what data has been received and what the next received sequence number should be
TCP will ACK every packet when in recovery
From packetbomb.com
10/02/2015
Windows DNS Server: Security Settings
Do a DNS test at:
DNS Stuff
You will get warnings of various kinds. A couple of important fixes are:
DNS Stuff
You will get warnings of various kinds. A couple of important fixes are:
Disable Version Query
dnscmd /config /EnableVersionQuery 0
Disable Recursion
dnscmd /Config /NoRecursion 1 10/01/2015
Active Directory Firewall Ports – Let’s Try To Make This Simple | Ace Fekay
Active Directory Firewall Ports – Let’s Try To Make This Simple | Ace Fekay: Active Directory Firewall Ports
Good summary.
Good summary.
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