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Computer Networking A TOP-DOWN APPROACH 5ed (James F.Kurose, Keith W.Ross) WIRESHARK LABS “Tell me and I forget. Show me and I remember. Involve me and I understand.”Chinese proverb Jim Kurose Homepage (umass.edu) Labs: HTTP, DNS, TCP, UDP, IP, NAT, DHCP, ICMP, Ethernet and ARP, 802.11 WiFi, SSL (currently being updated to TLS), Trace files(new trace…
Category: Networking and Security
5 min Azure Active Directory and IAM
Active Directory Add a user: Azure Active Directory->Users->New User: Create user in organization (youmail.onmicrosoft.com) or invite user We will create a user jimmy with no permission yet. Assign roles to jimmy by built in groups and access. Directory roles, it is a long list Or make a group and add jimmy to the group IAM…
Capture traffic wireshark
Stuck on robocopy with errors like System error 64 has occurred or 53? What protocol is your system really running robocopy in? Smb, smb1, smb2/3 https://docs.microsoft.com/en-us/windows-server/storage/file-server/troubleshoot/detect-enable-and-disable-smbv1-v2-v3 Even if Test-NetConnection (pshell) returns true does not mean that everything is ok, especially if you specified paloalto application like xxx-smbv3 when it is actually something else… smb1 or…
Python multicasting UDP wireshark
https://www.wireshark.org/ A multicast address is a logical identifier for a group of hosts in a computer network that are available to process datagrams or frames intended to be multicast for a designated network service. Multicast addressing can be used in the link layer (layer 2 in the OSI model), such as Ethernet multicast, and at…
Python network client and server using socket
So today I bought the course from udemy: Mastering Python – Networking and Security. The first lessons is about Python 2 vs 3, standard Python, console, running scripts, variables, loops, scoping, subroutines, system calls etc, a new refresh with code and videos. Moving on….. Networking section 3: 22: Network byte order: Endian describes how the…