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View Full Version : Security


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  1. [Fail2Ban] What to know what logfile?
  2. if any good-kind people could tell me how to encrypt system...
  3. [all variants] Erebus Resurfaces as Linux Ransomware
  4. [ubuntu] Antivirus
  5. [server] Is landscape on a separate machine overkill?
  6. [ubuntu] Chkrootkit stopped it's cron job. It doesn't run anymore. Rkhunter still works
  7. [ubuntu] Ubuntu 16.04 hardening - feedback
  8. [SOLVED] I started gettingsome new Dovecot log entries. They look kinda scary. Can you check
  9. [SOLVED] SSH Keys Problem
  10. rkhunter warnings and suspicous activity both computers
  11. firefox apparmor profile causes warnings in chkrootkit, why?
  12. [ubuntu] .ssh/config
  13. Any Concern?
  14. [lubuntu] Struggling to find solution to "Enter password for keyring" for Nautilus
  15. Iptables working strangely
  16. Security in Ubuntu
  17. [ubuntu] Using the encryption that Ubuntu creates during an installation
  18. [ubuntu] CSF/LFD UI keeps stopping
  19. [ubuntu] Ubuntu 17.04 64 bit openvpn seems to connect but not working
  20. [ubuntu] Twice Encrypted
  21. [ubuntu] limit iptables to useragent
  22. [ubuntu] Measures of system inspection
  23. [ubuntu] Does the latest samba patch break any windows functionality?
  24. how up-to-date are security related packages?
  25. [all variants] Does being cracked have to be an inevitability, Can due vigilance forestall cracking
  26. How safe am I from viruses while browsing the web?
  27. Ubuntu Firefox vs Firefox PPA.
  28. Iptables rule I don't understand
  29. iptables format
  30. [SOLVED] SSH login (Password Less)
  31. Adding exception to iptables
  32. Adding PGP key trouble.
  33. [ubuntu] security
  34. Questions about linux encryption
  35. [ubuntu] best backup solution
  36. Setting up secure email
  37. DNS Leak issue while using OpenVPN
  38. [all variants] possible exploit in the linux terminal....
  39. Output port security
  40. [ubuntu] Ubuntu 16.04 ufw rule not working after reboot
  41. camera auto start
  42. This a Win or Linux Trojan
  43. I think I have some malicious software on my machines
  44. Disable public ssh
  45. New to Ubuntu: appalled to find I had to active the firewall
  46. How to check whether I encrypted the drive during installation?
  47. [SOLVED] ssh bruteforce ongoing despite fail2ban?
  48. [all variants] Security of Ubuntu, it's Flavors, and Solus OS
  49. [ubuntu_mate] What security should I peruse in?
  50. Does everyone's ubuntu often send data to amazon aws?
  51. [SOLVED] encfs backups: restoring multiple sources
  52. Notification: File System Transfer immediately popped up on startup
  53. ubuntu broadcast data in background??
  54. ClamTK vs ESET: Who has the better detection ratio?
  55. [ubuntu] Iptables, forward all traffic from interface to FW
  56. [xubuntu] data forensics with 2 luks encrypted hdd
  57. Login with Google Apps username and passwort
  58. ssh security question
  59. Pam_tally2 locks out account running ansible
  60. [ubuntu] Viewing LUKS (on FDE) Password at Startup
  61. [kubuntu] security issues of switching user
  62. VPN connects but no remote LAN access
  63. [SOLVED] A clam question
  64. VPN and WIFI security
  65. Warning: Your ISP can monitor and mess while system not even booted
  66. [ubuntu] server keeps getting hacked
  67. require users to min password
  68. sending sensitive data
  69. I am getting “windows on malware” behavior when browsing on firefox
  70. [all variants] Krack
  71. [SOLVED] Ubuntu noob security question
  72. [SOLVED] How do I install SNORTS?
  73. lsof output: what is "dhclient"?
  74. Unlock GNOME Lock Screen with Command
  75. [ubuntu] Regarding OpenVPN
  76. Tripwire
  77. Is it worth it to install tripwire now?
  78. Is it safe with pw + 2fa for ssh?
  79. [server] sshd tries to spawn new process every other second
  80. [ubuntu] Post-installation encryption
  81. fail2ban uses ufw right?
  82. Was crash virus related? How to investigate?
  83. ClamAV - Unix.Trojan.Mirai
  84. [ubuntu] Need help with Ubuntu security setup for enterprise level laptop usage
  85. UFW and CSF
  86. Clamav as root has no permissions and no display of infected files
  87. Firewalld routing based on CGroup
  88. [ubuntu] Antivirus software to use linux box as scanner for USB drives?
  89. Question about Secure Browsers & Non Secure Browsers
  90. Somewhat confused about security for 17.10
  91. [all variants] Linux live distro's insecure by default
  92. [SOLVED] What details to share and not to in Web ?
  93. [ubuntu] Set Complete FTP Access
  94. Monitoring User on the System
  95. [ubuntu] Problem with Security on net (Ubuntu 17.10)
  96. AA 17.10 Desktop Remote Connection
  97. GRUB2: Password Protecting specific menuentries - not by type
  98. AppArmor Firefox Profile-will not load
  99. [ubuntu] LUKS encryption on a restored virtual machine
  100. [ubuntu] How can I check security on my computer?
  101. Virus guard
  102. Lynis updating and executing program.
  103. Public WiFi remote install
  104. Crypted Mail with Evolution and Active Directory
  105. [ubuntu] nfs4-acl-tools GUI?
  106. cat /dev/sda
  107. How are services working WITHOUT iptables rules
  108. [ubuntu] Strange hidden luckybackup folder
  109. Setup Grsecurity, Tomoyo, SMACK & SELinux?
  110. Protecting Filesystem, FSProtect vs Dafturn Ofris?
  111. [ubuntu] Opera 40 with free VPN
  112. [kubuntu] I have a strange http.so process causing traffic and I don't know what it is
  113. [lubuntu] Do we need anti-virus or a firewall
  114. Firewall rules based on logged in user possible?
  115. Radius auth proxy Multi factor
  116. Failure to decrypt luks partition prevents OS boot
  117. Secure file remove low speed issue
  118. Infection or False Positive? 17.10 & chkrootkit
  119. ufw.log missing?
  120. fail2ban doesn't work on ubuntu 16.04
  121. I'm pretty sure I've been hacked. Any information would be helpful.
  122. Auditd issues
  123. [kubuntu] clamav & clamtk
  124. [ubuntu] Ubuntu Installation - Virus
  125. How to test encrypted fs password without reboot?
  126. how safe are things downloaded from ubuntu repository ie youtube-dl
  127. How safe are things downloaded from the Linux repository ? (no program specifically)
  128. Problems writing IPv6 rules for ip6tables
  129. [ubuntu] Meltdown and Spectre Discussion Sticky
  130. [lubuntu] Meltdown? Spectre? Random Two Network Icons? Also random accounts.
  131. [ubuntu] What happened to my laptop with a screen always showing before power off?
  132. terminal code for checking Spectre
  133. [ubuntu] MITM attack
  134. [SOLVED] Log file from rkhunter has warnings
  135. iWatch File Monitoring
  136. [kubuntu] Growing list of updates kubuntu 16.04 invalid certificate
  137. [ubuntu] How to fix FTP Credentials and Retrieving Directory Listing Issue
  138. [SOLVED] Is Noscript really necessary?
  139. [lubuntu] After the last update (kernel 4.13.0-26)crashed
  140. [ubuntu] No internet connection after openvpn activated
  141. PiVPN on Ubuntu 16.04 LTS x86_64
  142. [ubuntu] Firmware Update (Intel-SA-00086) Meltdown e Spectre
  143. [ubuntu] Google account
  144. Yet Another "Travelling with a laptop" question.....
  145. [ubuntu] pam_oath + yubikey: can login with yubikey but not unlock lockscreen
  146. Process mdxfs sending out spam email on Ubuntu 14.04 server
  147. [SOLVED] Is it ok tu use CDemu from unsupported ppa?
  148. Tor browser and Firefox conflict
  149. Allowing password authentication on LAN - SSH
  150. How do I verify that I have the latest version of VLC + repository questions.
  151. [ubuntu] fcrackzip verbose
  152. [SOLVED] Clamav
  153. [SOLVED] multiple programs
  154. [ubuntu] 2 Ubuntu desktops different Ubuntu software installer
  155. What to do regarding Tiger denoted Fails
  156. Authentication reason: Too many authentication failures
  157. [ubuntu] pam_unix(cron:session): session opened for user root by (uid=0)
  158. [ubuntu] Ubuntu Server 17.10 LTS install and config IPtables(linux) firewall
  159. SSHD broke aftyer upgrading from 14.04 to 16.04
  160. IPVanish Dropping VPN Connection
  161. [ubuntu] Report bugs to Canonical properly?
  162. [ubuntu] Securing homeserver.
  163. [ubuntu] Firefox 59.x?
  164. Acer running 16.04.3 lts
  165. [ubuntu] UFW firewall and network device
  166. Data from Rootkit Hunter. Do I need to take any action?
  167. [ubuntu] Rkhunter chkrootkit are reliable programs can I use without fear?
  168. Input needed - sneaky rootkit infecting all my devices (Ubuntu, Windows 10, OS X ++)
  169. WARNING: they can pass the UFW firewall even when all incoming blocked except http(s)
  170. [ubuntu_mate] A way of using both encryption and autologin.
  171. [ubuntu] standard system utilities and ubuntu mini install security
  172. [SOLVED] Firejail - Thunderbird "Unable to locate mail spool file"- /var/mail access
  173. [ubuntu] Newbie with embarrasing Lynis result needs a good Samaritan please
  174. rkhunter profile
  175. [SOLVED] Openvpn initializes but domain is not resolved
  176. [SOLVED] RK Hunter Warning advisor
  177. (Newbie, warning)Connect via ODBC to Postgresql on port 5432
  178. Self-encrypting drive VS full disk encryption VS volume encryption
  179. Virus protection on dual boot machine where Windows 10 is not in use?
  180. [ubuntu] Editing files in the /snap directory
  181. Security updates not automatically updating
  182. [ubuntu] using barnyard to process logs
  183. [SOLVED] intel-microcode not installed on bionic
  184. [ubuntu] creating iptable rule for web site
  185. [ubuntu] Meltdown and Spectre release for ubuntu 16.04 on 14.8.0-*, 14.10.0-* and 14.11.0-*
  186. ssh-hostkeys publically available?
  187. [ubuntu] apparmor aa-enforce always errors with can't find dhcpd.d
  188. Meltdown/Spectre exploits feasible via javascript?
  189. [ubuntu] bizzaro clamav error
  190. [SOLVED] Spectre V2 mitigation: LFENCE not serializing. Switching to generic retpoline
  191. [ubuntu] Bank Certificates
  192. [SOLVED] sudo -i does not start new PAM session?
  193. How do I make it so that each user can log in without a password
  194. Update information
  195. [SOLVED] exim4 security risk - CVE-2018-6789
  196. Best free Antivirus program for an Ubuntu VM
  197. [ubuntu] Safety of a Ubuntu device that used to run on Windows before
  198. [ubuntu] Newbie seeks advice with RKHunter warnins only log. Should I be worried?
  199. Bcrypt: Encryption support disabled
  200. Multiple SSH ports with different settings?
  201. [ubuntu] limit ddos attacks
  202. [ubuntu] known bruteforce tools
  203. [ubuntu] View pending udate command
  204. Pinterest website hijacking browsers to mine crypto-currency?
  205. [kubuntu] How to verify that 100% of traffic is routed through my VPN
  206. Apparmor documentation - error messages
  207. [ubuntu] Test GPG passphrases?
  208. Linux Ubuntu integration with Active Directory
  209. Securing Ubuntu bootloader using TPM2
  210. [ubuntu] Help with VPN connection please?
  211. [lubuntu] Flashpeak Slimjet Security Updates
  212. Loaded 16.04 LTS Port22 open and have Virus!
  213. [ubuntu] Provider 1&1/Telekom is SPYING !!! Protection ?
  214. dual boot with guest = virtrual machine Linux security question
  215. [ubuntu] Hydra error (segmentation fault core dumped)
  216. Update frequency
  217. [kubuntu] Cookies keep re-appearing ?
  218. [SOLVED] Creating ClamAV malware signature related inquiries
  219. [ubuntu] Ubuntu Security
  220. [ubuntu] App Armor?
  221. [ubuntu] Port 1900 blocked despite allow rule in IPTables
  222. [ubuntu] Certificate on server
  223. Encripting with dual boot
  224. [ubuntu] Can't Seem to Enable App Armor for Firefox
  225. [ubuntu] Ubuntu To Notify Me Of New Updates
  226. [ubuntu] try to encrypt folder for mysql and apache2
  227. Upgrades not identified
  228. [SOLVED] Coin miner malware
  229. [ubuntu] adding ips to ipset list that failed security check with iptables
  230. [ubuntu] IPTables - Using VPS to hide Server's IP
  231. [ubuntu] Cannot ping Ubuntu machine from other machines on network
  232. [ubuntu] Chromium and the secret service
  233. Full disk encrpytion setup, disk no longer decrypts
  234. [SOLVED] How realistic, security-wise, is it to run my own server?
  235. fail2ban config errors
  236. I think I have some malicious software on my machines
  237. [ubuntu] I think I have some maware on my machines wich are repeatatively creating sync_super
  238. [ubuntu] Ubuntu 17.10 remote disk unlock.
  239. is working on user account that don't belong to adm group more safe?
  240. UFW Firewall
  241. User With a Shorter Password Showing Up
  242. GPG4USB - Could not decrypt the data: Invalid crypto engine
  243. Keep Getting Logged Out of Live Patch
  244. [ubuntu_mate] How can i block Google via the /etc/hosts file?
  245. I have a question
  246. SHA-1 encyption
  247. [ubuntu] Newer version of Openssh on Ubuntu LTS
  248. [lubuntu] Openbox autologin encrypted home
  249. openVPN connects but without internet and VPN network access
  250. [ubuntu_mate] Recovering ecryptfs data