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View Full Version : Security


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  1. [ubuntu_mate] Ubuntu live persistent mode + encrypt
  2. Malware Found on the Ubuntu Snap Store
  3. fail2ban duplicate iptables rules
  4. [ubuntu] SCAP Workbench Security Guide for Ubuntu 18.04
  5. [all variants] Bionic Beaver Userlist
  6. [server] Cryptominer files deposited over samba - looking for advice
  7. Paranoia or sophisticated hack?
  8. Hardening Network Security Questions
  9. file sharing over network
  10. [SOLVED] Are These Files/Dirs Normal (found by chkrootkit)
  11. Apparmor setting
  12. [SOLVED] What is SSH Key Agent ?
  13. SElinux installed and removed. Apparmor doesn't seem fully installed
  14. [ubuntu] Granting sudo privilege for a user for certain executables
  15. Is Pulseaudio secure?
  16. Ubuntu 18.04 - pgl - how to install?
  17. [lubuntu] Lubuntu 18.04 LTS - Is it the case to enable or install a firewall?
  18. [all variants] Get root with a malicious script?
  19. System encryption with passphrase protected usb key, how to configure ubuntu boot
  20. looking for some DNS Leak Testing Tools Recommendation
  21. [all variants] Strange wireshark results?
  22. [ubuntu] Ubuntu security
  23. [ubuntu] 18.04 .desktop unstrusted application launcher
  24. [other] Ubuntu or other Linux distros vulnerable to VPNFilter?
  25. UFW Not Blocking Ports?
  26. [ubuntu] UFW Not Blocking Ports?
  27. [ubuntu] Can virus from Windows 10 laptop on same network affect my Ubuntu desktop?
  28. [ubuntu] Emailing Passwords: Single File Encryption for OS X and Linux??
  29. [SOLVED] Trying to Create Vault on Secondary Drive - enc File Not Found
  30. data recovery
  31. UFW can use text.txt file add to my black ip list ??
  32. XBox Forwarding and Shorewall
  33. Anything good or bad about Cryptomator?
  34. persistent bootable USB LUKS needed
  35. [ubuntu] NBDE (clevis and tang) support in 18.04
  36. RKhunter commands version check and update not connecting (solved)
  37. Does WPA3 require new hardware, firmware or software?
  38. CIS benchmark implementation issues with editing /etc/fstab
  39. [ubuntu] As Sudo User, Receive Prompt to "Enter root's password:"
  40. iptables not being restored on reboot
  41. ssh publickey authentication fails after n attempts
  42. I think I got hacked by some crypo mining malware
  43. [SOLVED] AppArmor profile fix for usr.lib.ipsec.stroke
  44. [ubuntu] Tergiversation trojan
  45. [ubuntu] Is this an issue re Meltdown/Spectre Flaw Mitigations?
  46. [ubuntu] Where is the security update for Thunderbird 52.8 to 52.9?
  47. New Variant of Spectre Security Flaw Discovered: Speculative Buffer Overflows
  48. [ubuntu] Ubuntu software application | Installed screen
  49. [other] Securing Ubuntu with CSF help
  50. [ubuntu] Gufw
  51. [SOLVED] ClamAV has detected a Trojan. Unix.Trojan.Vali-6606621-0
  52. [xubuntu] Can't open LUKS drive after upgrade to 18.04
  53. [ubuntu] Suspicious scripts in root cronjob
  54. [ubuntu] Using Snort rules on pcap file
  55. ubuntu samba on lokal network
  56. Iptables Understanding...
  57. [kubuntu] cryptsetup: lvm is not available
  58. [ubuntu] What is the meaning of this line ?
  59. Installation doesn't ask to encrypt home folder on 18.04
  60. Universe and Gnome Themes/Extensions
  61. [ubuntu] How much is safe /home encryption
  62. Does Anyone Know How to Use Wine Securely?
  63. Warning installing gufw
  64. [ubuntu] A virus or bot is trying brute force other servers
  65. [ubuntu] Chromium extension Click & Clean VPN vulnerability?
  66. [ubuntu_budgie] [Python] ImportError: No module named gnomekeyring
  67. [ubuntu] How to get the kernel text address in dmesg
  68. Securing Web service in ubuntu Apache
  69. Internal Wi-Fi Adapter vs External USB Wi-Fi Adapter
  70. Using stubby
  71. [kubuntu] Hundreds of entries in ufw.log - internal IP ?
  72. ModSecurity Install
  73. General browser vs. financial site browser
  74. [SOLVED] Ubuntu 18.04 - FF download denied
  75. Why is LibreOffice trying to access my Thunderbird profile folder ?
  76. Local server access only
  77. Can I make my own SSL for a local network application?
  78. [ubuntu] ufw blocks in log
  79. [ubuntu] public signiatures and gpg --keyserver messages
  80. iptables: What's the difference between DROP and REJECT
  81. L1TF Vulnerable
  82. Ubuntu 18.04 on Active Directory
  83. Does this script close off all other scripts?
  84. [all variants] GhostScript compromised?
  85. Restaurar de copia de seguridad en otro equipo
  86. Will security certificates be carried over when the computer is cloned?
  87. Iptables: how to open network time servers
  88. IPtables: Just how many ports are there?
  89. Block everything except for a few IP's
  90. Security Onion
  91. Multiple attempted logins from same IP
  92. Unclonable system
  93. [ubuntu] Snort Issues
  94. [all variants] Rule-based access control policy for the distributed Database
  95. LDAP, cryptolockers, and SAMBA
  96. [ubuntu] Manipulating System Files
  97. mariadb client ignores passwords right now for 16.04
  98. Recover SSH Settings
  99. TOR browser log in time
  100. Linux Kernel Security Threat
  101. Is the second Git Cola on Ubuntu Softwares a malware?
  102. [ubuntu] Did I get hacked?
  103. [SOLVED] Update notice with no details or tech descripition
  104. [ubuntu] Did I get hacked?
  105. [ubuntu] Port Configuration for SkypeforLinux: Bionic-beaver
  106. Open up SSH with any password
  107. ClamTk does not do anything
  108. [SOLVED] 10-2018 No-description 1.6Mb update?
  109. I was hacked
  110. measures against rootkits
  111. 18.04 was breached. Needing advice on hardening
  112. IPv6 still enabled
  113. [ubuntu] ufw enable error (missing policy for 'input')
  114. Unknown BIOS password set after following manual full encryption instructions ?
  115. [ubuntu] USB encrypted in one laptop cannot be opened in a different laptop
  116. [ubuntu] Security tools show several risks (rkhunter and chkrootkit)
  117. Update Firmware After Hack
  118. [SOLVED] Home Server System Compromised?
  119. [server] Errors received during server hardening
  120. Do I have a rootkit?
  121. Chkrootkit and tcpd
  122. Trace the user back
  123. Software on computer false reporting up to date
  124. /boot inside /root with full encryption (LVM on LUKS) on UEFI PC: grub cmd when booti
  125. Verification of chained CA certificates fail
  126. [SOLVED] Hacker Trouble
  127. [ubuntu] sssd - certificate_verification not working
  128. Security package update
  129. 18.10, gnome-disks, and veracrypt
  130. apt using strange ip address - DNS hijacking?
  131. [ubuntu] How do I block IP traffics using iptables?
  132. Dual Boot Encryption Issue
  133. Overthewire - bandit 16 --> 1
  134. [ubuntu] Calculator software update.... why does it require an update to OpenLDAP?
  135. AppArmor with net_bind_service capability
  136. DoT (DNS Over TLS) support in systemd-resolved
  137. mount / read only
  138. Have I been hacked/virus?
  139. [ubuntu] Securely expose machine to the internet (for someone familiar with ubuntu)
  140. [ubuntu] Encrypted USB in Ubuntu 16.04 cannot be accessed in another laptop
  141. [ubuntu] How safe is cryFS?
  142. [ubuntu] What is my .Private folder and why is it full of encrypted files?!
  143. [ubuntu] /etc/ssh/sshd_config "AllowUsers" issue...
  144. Blocking unwanted websites and domains
  145. ifconfig deprecated?
  146. [ubuntu] Ubuntu package site not working
  147. [ubuntu] Add SDA5 Crypt To Boot
  148. Samba OpenLDAP and Landscape
  149. [SOLVED] Puzzled about ufw
  150. Audio clicking like a mouse click.
  151. [ubuntu] Issues preventing root login via SSH
  152. Where is browsing history located?
  153. [ubuntu] Isn't the lack of https in the repositories a security risk?
  154. [ubuntu] Virus/malware through chrome browser affecting Ubuntu SYSTEM itself?
  155. Short passcode ONLY for lock screen
  156. USB token or on screen keyboard at decrypt screen.
  157. [ubuntu] Best Practice for Protection of backups against ransomware 2019 ????
  158. Help with iptables and tor
  159. .ssh and .gnupg
  160. [server] How do I configure fail2ban for webmin-auth? on Ubuntu Server 18.04
  161. [SOLVED] Hacked through Youtube? Printer port vulnerabilities and access
  162. [ubuntu] Symlinking system files in a chroot jail - bad idea?
  163. [SOLVED] Unfreeze SSD in Ubuntu Live for hdpram --security-erase-enhanced?
  164. Ubuntu 18.04 Mod Security: Does core ruleset update with normal ubuntu updates
  165. Password-protect a folder
  166. Better solution to encrypting & auto-mounting secondary drive?
  167. How to securely edit files on the server using FileZilla
  168. Ubuntu update problem
  169. [ubuntu] Antivirus for ubuntu
  170. [ubuntu] Monitoring Users Real Time w/ Reporting and Logging
  171. weird file in .cache
  172. trace the executing script
  173. testdisk
  174. [ubuntu] Ubuntu 18.04 trojan warning
  175. Use my backup in a virtual environment
  176. [SOLVED] Just to ask if this is valid? Longish post sorry.
  177. [server] WATCHBOG virus
  178. [ubuntu] clamtk erroring out
  179. Lubuntu 14.04 starts with any password
  180. [lubuntu] Install and Enable DNSCrypt Proxy 2
  181. Do new security fixes introduced in latest Linux Kernels get Backported to LTS Kernel
  182. [ubuntu] Is there no MariaDB Apparmor profile anymore?
  183. What are some of the recommended techniques to audit our system?
  184. Snaps and apparmor prevents access to hidden folders in home dir
  185. Telegram Channel Data Feed RSS Ubuntu
  186. Can't access AD Domain User - with AUTOLOGIN ubuntu 16.04
  187. [ubuntu] Rkhunter error messages on a fresh installation of Linux.
  188. Ubuntu 18.04.1 LTS updates with livepatch
  189. [SOLVED] Help with cryptsetup
  190. Server refused our key - Keyfile authentification from anther user than root
  191. Ubuntu 18.04 LTS "Bionic Beaver" Auto Updates Not Working
  192. XRDP failes authentication via xRDP
  193. LUKS: Update key using hash only?
  194. How can I to do without to install the operating system?(encrypt the disk)
  195. Ubuntu not affected by viruses
  196. Ubuntu LIVE USB problem
  197. Attempted hack
  198. [ubuntu] How to export ssh gpg keys from launchpad to my local computer?
  199. Freeradius filter-ID
  200. OpenVPN connects, but no internet (only when the server is using a specific NIC)
  201. gmx cross site attack
  202. sysctl not sticking after reboot
  203. [xubuntu] Ubuntu Has full access to your Google Account
  204. If a script is login shell is there any way for the user to get a real shell?
  205. A couple of dodgy links on the stickies?
  206. How to secure Ubuntu or distros in general?
  207. [ubuntu] Deploying CA certificate on Ubuntu nodes
  208. [server] Port forwarding
  209. which spectre/meltdown software mitigations are enabled on newest intel processors?
  210. Using A Wired Connection For Security With Wi-Fi Enabled
  211. Increasing Security By Modifying Default Content Settings in Google Chrome
  212. [SOLVED] How to Become a Regular User Again After Getting Gaining Superuser Privileges
  213. [server] 16.04: fail2ban says IP is already banned, but it's not
  214. What can a rogue device realistically do on your network?
  215. verifying installed updates
  216. HP bios upgrade initiated on dualboot without running Windows
  217. Clamtk signatures upate problem
  218. Create AppArmor profile from existing (dmesg) log
  219. conection to a vpn
  220. Possible Virus
  221. files in .gnupg
  222. UFW in Rules on specific interface
  223. General Security Question - Bitcoins Accounts & Trading - Using Ubuntu Live CD
  224. UFW blocking outgoing MAC address to Korean co. What's up with this?
  225. [ubuntu] Need help interpreting chkrootkit and rkhunter output log
  226. [ubuntu] Understanding Apparmor and Auditd
  227. [SOLVED] Ubuntu Security
  228. VPN ON/OFF Menu Toggle - I need Help Please
  229. [SOLVED] iptables OUTPUT firewall for mail server?
  230. Desktop management for ubuntu
  231. Android apk testing using Mobisec
  232. Weird: avahi-daemon asking for Disk password
  233. [ubuntu] fail2ban config to block attacks on magento payflow endpoint
  234. Denied TCP Connections
  235. [kubuntu] Cyberghost VPN on Kubuntu
  236. CVE-2019-0211 Apache HTTP Server privilege escalation from modules' scripts
  237. How should Facebook be handled on Ubuntu 18.10?
  238. 18.04.2 LTS hack
  239. [ubuntu] SASL authentication needed
  240. [ubuntu] Cannot connect VPN type L2TP over IPSec
  241. [ubuntu] Ubuntu 18.04
  242. Got hacked
  243. Unknown files in 18.04.2 LTS
  244. Software/OS spying and hardware spying. How to deal with both of them?
  245. [SOLVED] Chrome seems to default to Bing
  246. How to get AppArmor to work in ubuntu?
  247. LUKS Bluetooth keyboard
  248. ip6tables - Configuration
  249. lock skype or other apps
  250. [lubuntu] how to convert iptables command line to Ufw Command line