Designing and Implementing a Honeypot for a SCADA Network
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Config SFTP Server on Ubuntu
sudo apt-get install openssh-server ————– Define a group ————————— sudo group add sftponly cat /etc/group ———— Add User to Group————————- useradd hamid -d / -g [group number] -M -N -o -u [group number] sudo passwd hamid ———–Backup sshd_config file———————- sudo cp /etc/ssh/sshd_config /etc/ssh/sshd_config.bak sudo nano +76 /etc/ssh/sshd_config ——————–Edit in sshd_config file————— Subsystem sftp internal-sftp Match […]
Crontab or Scheduler in linux
You can set schedule in linux with this command: $ crontab -e for example: We want our job to run at 5 A.M., which would be minute 0, hour 5, every day of the month, every month, every day of the week. We need to add a line to the bottom of the file which […]
Managed File Transfer and Network Solutions
Overview Still wondering which file transfer protocol is right for your business? Here’s a dozen you can choose from. We’ve also added some brief descriptions to make your choice easier. 1. FTP (File Transfer Protocol) When it comes to business file transfers, FTP is probably the first that comes to mind. FTP is built for both […]
Bro Network Security Monitor
Much of Bro’s capabilities originate in academic research projects, with results often published at top-tier conferences. Bro supports a wide range of analyses through its scripting language. Yet even without further customization it comes with a powerful set of features. Feature Runs on commodity hardware on standard UNIX-style systems (including Linux, FreeBSD, and MacOS). Fully […]
Basic Linux Command
tty= teletypewriter Ctrl+Alt + F1 =tty1 Ctrl+Alt + F2 =tty2 . . Ctrl+Alt+F7= graphic Description of Command $apropos file See manual $ man file where we are? $ which ls what is in root $ ls / show files in list $ls -l show the content of directory $ls -lR . current directory .. parent […]
System Center Operation Manager(SCOM)
Do you know anything about SCOM? System Center Operations Manager has a lot of different features, but what is System Center Operations Manager and how does it work? Well, System Center Operations Manager is a component of the System Center suite, and in our case we’re using the 2016 version. It enables us to monitor […]
netsh important command
Show Interfaces and Indexes netsh interface ipv4 show interfaces Set IPV4 Address netsh interface ipv4 set address name=”3″(name of index) source=static address=10.3.66.4 mask=255.255.255.0 gateway=10.3.66.1 Set DNS Address netsh ipv4 add dnsserver name=”3″ address=10.3.66.3 index=1 Set IPV6 Address netsh interface ipv6 add address “3” fe80::12:aaa:b:6 Set DNS Address netsh interface ipv6 add dnsserver “3” address=fe80::12:aaa:b:6 index=1 […]
AFP vs. SMB and NFS file sharing for network clients
Native file sharing protocols always win out In an intranet, network clients have several options, such as AFP, NFS and SMB/CIFS, to connect to their file server. But for the best performance, and 100% compatibility, the native client file sharing protocol is the right choice. So AFP is the best protocol for all Mac clients […]
RAID
RAID is an acronym that stands for Redundant Array of Inexpensive or Redundant Array of Independent Disks. RAID is a term used in computing. With RAID, several hard disks are made into one logical disk. RAID 0 (Strip) Not Fault Tolerant Performance benefit RAID 1 (mirror) Fault-Tolerant Performance benefit RAID 5 Fault-Tolerant At least 3 […]
What’s the Difference Between GPT and MBR When Partitioning a Drive?
A partition structure defines how information is structured on the partition, where partitions begin and end, and also the code that is used during startup if a partition is bootable. If you’ve ever partitioned and formatted a disk—or set up a Mac to dual boot Windows—you’ve likely run into the two main partitioning structures: Master […]