Tools
- NMAP : a free open-source network scanner
https://nmap.org - Advanced IP Scanner : free network scanner to analyse LAN.
https://www.advanced-ip-scanner.com - Awebanalysis : IP directory for IPv4 and IPv6. Network, Trace and SEO online tools, Web Analysis and IP address location and WHOIS
https://awebanalysis.com/en/ - MXToolBox : DNS Lookup, Email Blacklists, Email Header Analyzer SPF Record Check Network Tools
https://mxtoolbox.com/ - Evernote: Note taking, organizing, task management, and archiving
https://evernote.com/ - Devolutions Remote Desktop Manager (RDM) Free Edition : Centralizes remote connections on a single platform
https://remotedesktopmanager.com/home/downloadfree - PuTTY – Free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection.
https://www.putty.org - WinSCP – Free and open-source SFTP, FTP, WebDAV, Amazon S3 and SCP client for Microsoft Windows and Its main function: secure file transfer between a local and a remote computer.
https://winscp.net/eng/download.php - Days Calculator: Days Between Two Dates
https://www.timeanddate.com/date/duration.html?d1=01&m1=01&y1=1970&d2=&m2=&y2=&ti=on& - Blocklist
https://blocklist.cyberthreatcoalition.org/vetted/ -
Anti-Malware Test files
https://www.eicar.org/ -
know what browser you’re using,
https://www.whatismybrowser.com/ - Free online service performs a deep analysis of the configuration of any SSL web server on the public Internet
https://www.ssllabs.com/ssltest/
Test the encryption of webservers / mailservers
- https://ssl-tools.net/
Cert Organizations
- US CERT
https://www.us-cert.gov/ - EU CERT
https://www.cert.europa.eu - Cvedetails
https://www.cvedetails.com/index.php - Israel National Cyber Directorate (Hebrew)
https://www.gov.il/he/departments/israel_national_cyber_directorate
Linux / Unix Tutorials
Linux and Unix tutorials for new and seasoned sysadmin
- https://www.cyberciti.biz/faq
SPF -All about Sender Policy Framework - http://www.open-spf.org/