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View Full Version : Security


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  1. Where to Start on GuFW (or any FW for that matter)
  2. SSH and customizing use of 2FA based on user...Is this possible?
  3. UFW blocking on docker0 interface
  4. [SOLVED] Fortiguard blocking expressvpn
  5. [ubuntu] rkhunter reports User syslog has been added to group tty: Problem?
  6. [lubuntu] Router/modem hacking concern?
  7. [ubuntu] LivePatch Error: Server Status 500
  8. [ubuntu] Showing security update details
  9. DNS Name blocking security isn't enough
  10. account-bs.gmx.com in browser appeared
  11. Comodo not installing ~ dependency not satisfiable
  12. [ubuntu] ufw rules change without my input — Ubuntu 14.01
  13. [SOLVED] iptables doesn't load rules with hostnames during boot
  14. [SOLVED] Kaspersky recommends avoiding unencrypted update channels
  15. [ubuntu] Encrypting Ubuntu - Protecting Assets
  16. Cannot print until I flush iptables
  17. [SOLVED] No longer possible to encrypt /home partition during installation?
  18. [gnome] Opening lid reveals unlocked screen contents before showing lock-screen
  19. I can't import/export keys with "Passwords and Keys (Seahorse) Ubuntu 20.04
  20. Ubutu live USB "fingerprinted"?
  21. Wireguard Client Router Setup Help
  22. New Veracrypt install - Do I need the console or the GUI or both ?
  23. [ubuntu] What file does ubuntu boot from?
  24. [ubuntu] Hardware login on Ubuntu 20.04
  25. [ubuntu] Ubuntu 20.10 Beta: Encrypted Swap?
  26. [SOLVED] iptables rules definition
  27. [SOLVED] Blocked all external connections - but doesn't seem to be UFW or Iptables
  28. Malware via Browser
  29. [xubuntu] Strange (unknown) authorization request without me triggering anything
  30. [ubuntu] Ubuntu doesn't recognize encrypted storage drives
  31. [ubuntu] I received and odd email security notice:confused:
  32. UFW not blocking IP range
  33. [ubuntu] Listening connections on my server
  34. [all variants] Do I need to make new authorized_keys?
  35. Nightmare with Focal Fossa
  36. [other] Information needed on FIPS certified OpenSSL 1.1.1
  37. How To Setup Fingerprint Authentication (Lenovo Laptop)
  38. [ubuntu] Ubuntu 20.04 Security Checkup
  39. Ubuntu 20.04 PHP 7.4 Security Checkup
  40. SQUID Proxy redirection URLs
  41. Keep away massive SSH login attempts
  42. [ubuntu] ipsec on ubuntu 20.04 connection configuration
  43. What to choose AppArmor / SELinux ?
  44. Automounting a crypted device not working, manually works
  45. [ubuntu] Password Manager Review
  46. [SOLVED] How can I reject specific IPs from strings in FAIL2BAN v0.9 ?
  47. program to run a command with openvpn
  48. cbc(aes) algo missing from /proc/crypto on 18.04
  49. When you snap download stuff does it check the file intergrity like sha256sum or pgp?
  50. This connection is Invalid (SSL site through a firewall with SSL inspection)
  51. [ubuntu] I have someone with an iMac sitting on my computer
  52. [ubuntu] unknown file types opened by skype
  53. Is it possible to update Ubuntu using Multisession DVD?
  54. snap installing versus sudo apt-get install
  55. Arpwatch to monitor LAN issues
  56. wwebsite security cificatte not acceptted on hosting compuutter
  57. [ubuntu] How to disable SSD hardware encryption
  58. [xubuntu] Problem with update package
  59. [ubuntu] MFA Working / SSH Failing To Accept MFA Code
  60. [server] Spoofed SSH-attacks - how to find source?
  61. [ubuntu] how secure are the Discord's video chats?
  62. [SOLVED] how to bind pulseaudio to localhost only?
  63. Web Application firewall onto Ubuntu Firewall from outside to inside Web traffic
  64. [SOLVED] If the only client is an Ubuntu desktop is something like IPCop necessary ?
  65. [SOLVED] List of checksums for current binaries
  66. [ubuntu] Account for SMB which can not be used to logon with
  67. [ubuntu_budgie] Configured Dns over TLS ..... Is this good for privacy?
  68. [ubuntu] Isolation on VLAN
  69. [ubuntu] Incorrect hashes for packages
  70. [ubuntu] Implicit vs Explicit trust GnuGP / OpenPGP and Web Of Trust (WoT)
  71. [ubuntu] False PGP security
  72. [ubuntu_budgie] Using a Veracrypt container for everything when storing to external drive
  73. Checkrootkit reports PyQt5, .uuid and other files
  74. [ubuntu] clevis and tang _netdev in 20.04.2 LTS
  75. Can security updates be applied after end of support
  76. Structure iptables with SW isolation
  77. Problem with modesecurity Ubuntu 20.04
  78. [ubuntu] iptables rules
  79. 2FA app for Ubuntu
  80. [SOLVED] [Noob Question] - What prevents my browser/browser extension from accessing my stuff?
  81. [ubuntu] Open port Why?
  82. [ubuntu] Pinion Command ??
  83. [xubuntu] some special behavior desired with ebcryption
  84. i want to boot an encrypted kernel
  85. [ubuntu] How about some ideas for securing laptops
  86. [ubuntu] Is there any need Firewall software for Home PC ?
  87. [ubuntu] Having trouble setting up ProtonVPN (NEW USER)
  88. [SOLVED] Hostapd : how to disable access to local network
  89. port state Filtered service HTTP server ubuntu 16.04
  90. Did someone log into my PC and edit auth.log entries to cover tracks?
  91. [other] Find Severity Risk of CVE's In Landscape
  92. ubuntu firewall ?
  93. [xubuntu] differences of disk encryption with Ubuntu
  94. [xubuntu] Centrally managed full disk encryption
  95. [SOLVED] Encrypt a Sub-Directory
  96. Rotajakiro and clamAV
  97. Need help for openvpn - route vpn1 to vpn2
  98. [SOLVED] IPTables - Direct Connection
  99. Security Failure [exim] and negligence
  100. Is using Bluetooth bad for security ?
  101. SELinux. Unable to get valid context for <USER> but user loged via ssh.
  102. [ubuntu] Strange key in DB
  103. Have any firewall with GUI for Ubuntu ?
  104. How bad is this thing called RotaJakiro for desktop users ?
  105. AIDE Ubuntu has no syslog_format?
  106. [xubuntu] Webcam constantly on
  107. [SOLVED] SpamAssassin, CVE-2020-1946
  108. CROWDSTRIKE on Linux (fixed title)
  109. [ubuntu] Strategy and work routines using Debsecan with CVE's
  110. [ubuntu] Working with Debsecan and CVE's
  111. [ubuntu] Could we create an immutable incremental backup system to protect against ransomware?
  112. [ubuntu] Changes in Livepatch Terms of Service? (Beta testing on free tier?)
  113. [SOLVED] What password manager for Ubuntu would you recommend?
  114. CVE-2021-28091 vulnerability fix for Ubuntu 16.04 ?
  115. [SOLVED] mount luks encrypted loop device partition in a script
  116. [ubuntu] Linux Malware Detect (LMD)
  117. Help mounting a veracrypt partition
  118. Security Scan discovered the following...
  119. [SOLVED] Full disk encryption--an explanation of exactly how does it work from the user's end?
  120. [lubuntu] 20.04 how to log a user in without password
  121. I used a wget command on a strange server , did I put mycomputer at risk ?
  122. Mimic Active Directory
  123. What is the risk of adding a bad ppa?
  124. [SOLVED] Can we safely remove ZeroConfig, AVAHI ???
  125. [ubuntu] A suspicious files found
  126. [SOLVED] Problems with settings root password
  127. [all variants] Chrome unlock keyring on startup
  128. Samba permissions vs. Linux Permissions
  129. [lubuntu] New Sign-on Dialogue Box
  130. veracrypt partition GONE
  131. automated script that wipes the cache
  132. [ubuntu] Ownership of files in var being changed without my knowledge.
  133. [ubuntu] Blank update!?
  134. [lubuntu] 404 - Installer iso for 64b release 19.10 desktop missing?
  135. [ubuntu] Firewall adjustments GUF -GUFW
  136. [ubuntu] Predetermined State Computing
  137. I have found a data killing defect in the disk encryption - linked to Kernel process.
  138. [ubuntu] Is there a security problem when rkhunter says "the file properties have changed"?
  139. [all variants] Tool to upload hardware and configuration data to help us help
  140. [ubuntu] should a shell script segfault ?
  141. CIS Benchmark Fail - SSH Hardening
  142. [lubuntu] Has anyone here installed the Hardened Kernel under Ubuntu ?
  143. CIS Benchmark Fail - Password Issues
  144. CIS Benchmark Fail - System Mounts
  145. Enabling livepatch on Azure?
  146. ufw does not block port 6000+
  147. [ubuntu] Security patches for CVE-2021-22946 and CVE-2021-22947 broke curl
  148. Why does the Rox package do this?
  149. [ubuntu] Passwords.txt file in Chromium
  150. [ubuntu] Scan every input in ubuntu system with clamav
  151. [kubuntu] FontOnLake: Previously unknown malware family targeting Linux
  152. [server] 20.04LTS: Firewalld, default zone set to block SSH, but doesn't
  153. openssl, is this a decent level of encryption?
  154. Windows 10 was owned attack seems to have carried of to Ubuntu
  155. Why does doing away with wifi make Ubuntu more secure?
  156. Secure Boot - EFI problem Invalid parameter
  157. [SOLVED] Packaged Steam for 20.04 LTS Binary Mismatch
  158. [ubuntu] The server is invaded and the /etc/ld.so.preload file cannot be modified
  159. Checking installed package is vulnerable or not based on the status in Ubuntu Securit
  160. [all variants] protection against ransomware
  161. [ubuntu] security measure question
  162. [all variants] Machine learning oriented security on ubuntu
  163. ERROR İptables and Geoip İnstall
  164. [ubuntu] Linux Standard User Lacks Privileges to Mount External VeraCrypt Drive
  165. Canonical Livepatch problem
  166. ufw absolute wierdness HELP! (long)
  167. help with email spamming.
  168. [SOLVED] Help me unblock login.live.com
  169. Mdadm raid 1 assembly lost after reboot
  170. Is it possible to access Ubuntu from Windows 10 running in Virtualbox
  171. [server] Security vulnerability of Apache log4j in Ubuntu version of 16.04 and 18.04
  172. [ubuntu] Need help understanding Security and ACL
  173. [ubuntu] LibvirtQemu
  174. Entry level user question on ufw/iptables etc
  175. Secure and cheap USB device for fprint (fingerprint for unlocking Ubuntu) ?
  176. fail2ban not blocking SSH bruteforce
  177. Malware, or a nuisance?
  178. Unable to access LUKS-encrypted external hard drive
  179. reset encryption key expire date
  180. Gufw / UFW setup - strict firewall
  181. ProtonVPN on Ubuntu server 20.04
  182. AH00686: cannot read directory for multi: /var/www/mysite/web/
  183. Permanently anonymous email
  184. Disable full Network at boot via a grub menu entry
  185. xmrig - Docker / Snap / Firetools - which to use
  186. [ubuntu] Antimalware options in 2022 for home users
  187. Ubuntu Advantage CIS scripts: locked out of workstation
  188. [SOLVED] Securing windows and vm's running ubuntu
  189. Automatic log in, automatic screen lock
  190. [ubuntu] IPtables firewall rules
  191. [ubuntu] Disable Ciphers / TLS
  192. [kubuntu] Is chkrootkit reliable ?
  193. When will we have VBS(Virtualization Based Security) of Windows 11 in Ubuntu distro?
  194. Ubuntu 18.04 -> 20.04 breaks libssh2 app
  195. [ubuntu] Ubuntu server UFW strange behavior
  196. Ubuntu and Dirty Pipe
  197. How risky is this new "Facebook Protect" on an Ubuntu Desktop?
  198. [SOLVED] Two keys for newly installed full disk encryption?
  199. [xubuntu] docs for encryption how the Ubuntu installer does it
  200. [ubuntu] encrypted ZFS - How can I autounlock with a keyfile?
  201. Need iptables rules for ICMP (ping) for OpenVPN-client (only for vpn tunnel)
  202. after BIOS update with secure boot lots of issues on Ubuntu 21.10
  203. Boot into secure workspace
  204. Suspicious file - .png.scr
  205. [ubuntu] Password for single-user, maintenance issue.
  206. Auto Login in 20.04.4 LTS
  207. seLinux default setup access denies in Ubuntu Desktop 20.04
  208. [ubuntu] How would I install SELinux safely?
  209. Linux dd wiping security
  210. [SOLVED] CVE-2022-29799 and CVE-2022-29800
  211. [ubuntu] veracrypt and copying containers while they are mounted
  212. [SOLVED] do you recommend turning the linux firewall on?
  213. Win.Trojan.Agent-517766 FOUND
  214. [ubuntu] How can I test if my computer is enforcing UEFI?
  215. ubuntu 2204 scap workbench error
  216. CIS Benchmark - False negative, how to improve
  217. How ubuntu update its stable kernel?
  218. Luks encryption, usb key to unlock at boot. Question.
  219. [SOLVED] SMTP blacklist and delisting impossible with the postmaster
  220. rsyslog filtering help
  221. [SOLVED] Does Ubuntu Studio Qualify For Extended Security Maintenance?
  222. [ubuntu] How to configure GnuTLS?
  223. [ubuntu] ClamTK "Scheduler" question
  224. Postmaster/SMTP security forum ?
  225. [ubuntu] Ubuntu 14.04: OpenSSL 1.1.1g Compatibility
  226. [ubuntu] Where put the Private Key to Login… in Pi-4, in what folder, and how insert it???
  227. Proxychains and Firefox
  228. Checking the history of modified files
  229. Clamav and Mounted Drives
  230. [ubuntu] Allow external commands inside of chroot
  231. how can i join linux ubuntu machine to windows active directory
  232. Complete Full Disk Encryption with Lubuntu 22.04?
  233. Set varying admin levels?
  234. LibClamAv Warnings/Errors
  235. snap firefox appamor FAIL
  236. [ubuntu] Hardening daemons using systemd settings
  237. Port scanning trends
  238. duplicity use rsync to copy files to another hard drive
  239. Encrypt data on a drive?
  240. [SOLVED] Tripwire
  241. Malware risk for 20.04.4 LTS ?
  242. Apparmor problem
  243. [ubuntu] Ubuntu 16 (Xenial) enabling ESM Updates result in APT 401 Unauthorized
  244. [ubuntu] external USB drive connecting randomly
  245. [SOLVED] Tripwire /var/log
  246. Major security issue in Ubuntu Desktop default config - Removable Media
  247. TCP Fast Open - recent increase in activity
  248. Ubuntu 22.04 (Jammy Jellyfish) Chrome 104.0.5112.79 apparmor profile
  249. [ubuntu] Apparmor is not listening to the permissions I gave in the apparmor profile
  250. How secure is root password if a root password could be changed with no root?