Search for: firewalld

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04 Mar 2019

lately this blog gets bombarded with queries like these: which decoded are Korean SPAM? which translates as: iptables / firewalld seem not to work and have to really really figure out why. until then this is a little workaround, it […]

29 Jan 2018

who is who? concepts: docker is written in Google Go by Docker Inc, SanFrancisco because it does not emulate any hardware – it is a linux container / sandbox or jail like Free BSD Jail or Solaris Zones or OpenVZ so […]

27 Jul 2017

in general: social competence demands to first praise then critizise – no matter what – nobody is perfect or god. praise: Thanks for this massively cool webserver software – that can do so many things (vhosts and .htaccess and php) […]

16 May 2017

CentOS7 [cc lang=”bash” escaped=”true” width=”600″] yum install psmisc # install pstree [root@centos user]# pstree systemd─┬─NetworkManager─┬─dhclient │ └─2*[{NetworkManager}] ├─agetty ├─auditd───{auditd} ├─chronyd ├─crond ├─dbus-daemon───{dbus-daemon} ├─firewalld───{firewalld} ├─irqbalance ├─lvmetad ├─polkitd───5*[{polkitd}] ├─rsyslogd───2*[{rsyslogd}] ├─sshd─┬─sshd───sshd───bash───su───bash───pstree │ └─sshd───sshd───sftp-server ├─systemd-journal ├─systemd-logind ├─systemd-udevd ├─tuned───4*[{tuned}] └─xinetd [/cc] debian8 [cc lang=”bash” escaped=”true” […]

04 May 2017

if fail2ban fails to ban: have a look here: tcp wrapper (tcpd) Centos5 documentation (Centos7 does not have it installed per default can be installed like this: yum install xinetd*) To control access to Internet services, use […]

13 Sep 2016

if fail2ban fails to ban: vim /etc/fail2ban/jail.conf; # open up the config file that defines all the defaults # find those lins: # # Destination email address used solely for the interpolations in # jail.{conf,local} configuration files. destemail = […]

13 Sep 2016

if fail2ban fails to ban: but also whole companies from israel are offering tools to nuke off your webserver with “rented” DDoS attacks vim /etc/fail2ban/jail.local; # add those lines: [apache] enabled = true port = http,https filter = apache-auth […]

08 Sep 2016

if fail2ban fails to ban: Update! “Within hours of that story running, the two alleged owners — 18-year-old Israeli men identified in the original report — were arrested in Israel in connection with an FBI investigation into the shady […]

28 May 2015

if fail2ban fails to ban: KEEP IN MIND: OVERLOAD OF YOUR WEBSERVER MIGHT BE FROM BRUTEFORCE OR DDoS!!! sudden spikes of (botnet) traffic might deplete your RAM via apache2 forking too many instances, forcing MySQL to quit. 10.000 connections […]

10 Dec 2014

question: same question: windows disable network discovery Browser search term: windows disable network discovery iphlpsvc konkret geht es hierum: exact same question: in theory it could work like this, but simply firng the command netsh advfirewall […]