.. Security > Backup Data privacy Detection, blocking Encryption, Certificates Firewall IT Safety tips Legal issues Security Basics Security Tools Viruses, Trojans AllOpen articlesSolved articlesTutorialsAll AllOpen articlesSolved articlesTutorialsChronologically ChronologicallyBy viewsMost CommentedUnshipped9220 on Apr 28, 2023Grounding my server rackHi! I will soon get a server rack, namely the 25U Open Frame Rack from StarTech . This will house my UPS , a pfSense ...QuestionServer HardwareIT Safety tips2 Comments013000Dymion on Apr 19, 2023Outlook encrypts messages that are only signed? Lock icon on just signed mails?Hello, recently I've set up Outlook to send always signed mails. But not encrypted ones. Everything worked fine so far, since today I received feedback ...QuestionOutlook MailEncryption, Certificates7 Comments113480jimmmy on Mar 28, 2023Network (windows server + backup server) on NAS?SolvedHey there! I think, it makes more sense to post in english instead of german, for it's international community. I need some advice for setting ...QuestionNetworksNAS systemsBackupServer Hardware11 Comments218820colonel on Mar 25, 2023(File-)System for versioning and organizingSolvedClosedI'm searching for a solution to organize photos, documents, audio, video, in a way so that each file only exists once on a hard drive, ...QuestionStorage systemsBackup1 Comment014170Frank on Feb 15, 2023Emergency patch: Zero Day security update for all Apple platformsApple released an urgent security update for all its platforms on Feb. 13, 2023 CVE-2023-23529. The vulnerability is in Apple's browser engine WebKit. Using specially ...InformationAppleiOSmacOSSecurityAdd024870aqui on Jan 10, 2023Cisco router with zone based firewall and port forwardingThis tutorial is a short extension to the more comprehensive local . Due to several requests regarding port forwarding and operation with a DMZ segment ...TutorialFirewallSecurityRouters, RoutingNetworksAdd440092expone on Dec 15, 2022How to list installed security appliances?I do look for a tool that identifies all installed security appliances (antivirus, firewall, thread-protection, application proxy e.g. ZScaler Client) on a Windows Client computer. ...QuestionSecuritySecurity ToolsWindows 10Windows 116 Comments236970kamaradski on Sep 14, 2022OPNsense and Telekom fiber at home without modemSolvedHello Administrator community, After a long time of only reading posts here, it's time for my first real posting. Sorry that I have to do ...QuestionNetworksFirewall5 Comments133970colinardo on Aug 05, 2022CISCO Small Business RV Router Series severe vulnerabilitiesSeveral security vulnerabilities threaten CISCO's RV router series, which is often used by small/medium-sized companies. The web interface has several flaws which allow an attacker ...InformationSecurityServer HardwareRouters, RoutingAdd125970Frank on Aug 05, 2022Lighttpd, Rewrite and a strange Error-handlerFrom the everyday life of an admin: Actually I wanted to do something completely different, but when I got a mail with an update request ...ReportIT Safety tipsSecurity2 Comments026020colinardo on Jul 20, 2022Zyxel Firewalls security alert!A serious vulnerability in Zyxel firewalls has been discovered, which in the worst case, can be used to execute local commands with root privileges. Security ...InformationFirewallSecurityAdd220790colinardo on Jul 06, 2022OpenSSL version 3.0.4 affected by serious security vulnerabilityAdmins/users running OpenSSL version 3.0.4 dated June 21, 2022 should update their systems to version 3.0.5 as soon as possible. The vulnerability allows remote code ...InformationSecurityAdd319161colinardo on Jun 07, 2022Mikrotik SSH Public Key Authentification with modern OpenSSH Versions 8.2+ (now solved in ROS 7.4beta2)#edit 07.06.2022 18:09# Just wrote the post and Mikrotik has already acted, wow that's fast :-)! RouterOS version 7.4beta2 has been released the "v7 testing" ...InformationMikroTikOther systemsSecurityAdd321221Dani on May 13, 2021DST Root CA X3 Expiration (September 2021)On September 30 2021, there will be a small change in how older browsers and devices trust Let’s Encrypt certificates. If you run a typical ...InformationSecurityAdd037260C.R.S. on May 01, 2021Defenseless: Spectre Mitigations LeveragedA team of University of Virginia School of Engineering computer science researchers has uncovered a line of attack that breaks all Spectre defenses, meaning that ...InformationDetection, blockingSecurity9 Comments137720Dani on Nov 23, 2020The Bastion powered by OVHBastions are a cluster of machines used as the unique entry point by operational teams (such as sysadmins, developers, database admins, ) to securely connect ...InformationSecurity ToolsSecurity4 Comments246600