Articles I've written for customers on IT issues.
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\OT1/cmr/m/n/10.95 ond, nav-i-gate to /etc/fail2ban/jail.d/ Add the fol-low-ing
to a sshd.conf
[]
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[]\OT1/cmtt/m/n/10.95 # this is used in devuan. no other changes are made to ot
her files, except[]
[]
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[]\OT1/cmtt/m/n/10.95 # that the default ssh filter is disabled in jail.conf if
it enabled[]
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tables-multiport
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\OT1/cmr/m/n/10.95 For those un-fa-mil-iar with the dif-fer-ence be-tween RE-JE
CT and DROP,
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[]\OT1/cmr/bx/n/10.95 To con-fig-ure it, see /etc/fail2ban/actions.d/iptables-c
ommon.conf
[]
[2]
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[][]\OT1/cmr/m/n/9 Reference: https://wiki.gentoo.org/wiki/Security[]Handbook/L
ogging#Syslog-
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TS line[]
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[]\OT1/cmtt/m/n/10.95 # ...if you intend to use /dev/console for programs like
xconsole[]
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[]\OT1/cmtt/m/n/10.95 log { source(kernsrc); filter(f_kern); destination(kern);
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[]\OT1/cmtt/m/n/10.95 log { source(src); filter(f_mail); filter(f_info); destin
ation(mailinfo); };[]
[]
[5]
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[]\OT1/cmtt/m/n/10.95 log { source(src); filter(f_mail); filter(f_warn); destin
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[]\OT1/cmtt/m/n/10.95 log { source(src); filter(f_mail); filter(f_err); destina
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[]\OT1/cmtt/m/n/10.95 log { source(src); filter(f_emergency); destination(conso
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[]\OT1/cmr/m/n/10.95 https://www.jwz.org/blog/2019/03/apache-2-4-1-killed-fail2
ban-
[]
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