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2015. 35
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. 24
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-: [email protected]
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19. 2015.
,
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: http: //j .mp/1Ej jTHg
28. 2015.
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: http: //j .mp/1EwagHt
1. 2015.
37
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: http: //j .mp/1Pq3J j5
37
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3. 2015.
DDoS
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: http: //j .mp/1DolKH4
3. 2015.
Rajesh De
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: http: //j .mp/1OLzMI0
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18. 20.
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: http: //j .mp/1QpaWl0
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8 ! 2015.
9. 2015.
Open Encryption
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:http: //j .mp/1Ewaw9l
11. 2015.
EXT4
EXT4 .
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: http: //j .mp/1FhPJ8j
22. 2015.
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: http: //j .mp/1Domr38
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9 35
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CAD/CAM (. computer-aided design / computer-aided
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17
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C
-
20
! 2015.
:
.
.
.
http: //www.vagrantup.com/downloads
.
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.
,
. , , -
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sudo apt-get install vagrant
(2. )
.. .?
-
21
35
,
libre [at] lugons [dot] org.
,
(VirtualBox) .
(Vagrant boxes) . ,
. https: //atlas.hashicorp.com
/boxes/search .
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vagrant box add USER/BOX
.
vagrant init USER/BOX
(vagrantfile)
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. , vagrantfile
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Up and running
.
:
vagrant up
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/vagrant.
SSH . :
-
22
! 2015.
vagrant ssh
,
.
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vagrant halt
.
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vagrant destroy
,
.
,
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(Ruby)
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-
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33
35
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Google Summer of Code .
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34
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:
.
, .
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.
(Ansible)
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. SSH .
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36
! 2015.
, ?
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,
, , - l ibre [et]
lugons [dot] org.
,
. SSH
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(RSA / DSA) . , ,
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: 192.168.1.3,
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(http: //goo.gl/Nf8neL),
(. selfhost) ,
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39
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40
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41
35
:
! (Bootstrap)
(. framework) -
, -
-.
.
. CSS
( JavaScript) , - , ,
.
https: //github
.com/twbs/bootstrap/releases/, (
3.3.2) dist ,
. dist ( )
https:
//github.com/twbs/bootstrap/releases/download/v3.3.1/bootstrap-3.3.1-dist.zip.
-
42
! 2015.
ZIP (. root)
- .
CDN- (. content delivery
network) . CSS JS , ,
http: //www.bootstrapcdn.com/.
(http: //getbootstrap.com/getting-started/)
-.
, ,
-
43
35
.
Getting started ( ), CSS ( CSS
), Components ( CSS ) JavaScript (
).
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, 2 3,
.
.
, .
, (http: //getbootstrap.com/getting-
started/#examples), , .
:
Bootstrap
-
44
! 2015.
http: //startbootstrap.com/
https: //wrapbootstrap.com/
http: //bootswatch.com/
http: //bootstrapzero.com/
- -.
-
45
35
:
.
.
,
,
.
SSH .
, .
, /var/log/auth.log ,
.
:
cat /var/log/auth.log | grep failedcat /var/log/auth.log | grep
failed | wc -l
:
-cat
-grep
-wc -l
:
BeagleBone Black Rev C
(6. )
X
-
46
! 2015.
SSH ,
.
.
(. bash) .
geoip .
apt-get install geoip-bin geoip-database
:
geoiplookup pentester.iz.rs
/usr/local/bin
.
nano /usr/local/bin/sshfilter.sh
:
#!/bin/bash# UPPERCASE space-separated country codes to
ACCEPTALLOW_COUNTRIES="RS FR" f [ $# -ne 1 ]; then
echo "Usage: `basename $0` " 1>&2exit 0 # return true in
case of config issue
fiCOUNTRY=`/usr/bin/geoiplookup $1 | awk -F ": " '{ print $2 }'
| awk-F "," '{ print $1 }' | head -n 1`[[ $COUNTRY = "IP Address
not found" || $ALLOW_COUNTRIES =~ $COUNTRY
X
-
47
35
]] && RESPONSE="ALLOW" || RESPONSE="DENY" f [ $RESPONSE
= "ALLOW" ]then
exit 0else
logger "$RESPONSE sshd connection from $1 ($COUNTRY)" exit
1fi
ALLOW_COUNTRIES
. RS , FR .
, .
:
chmod +x /usr/local/bin/sshfilter.sh
SSH-
,
.
nano /etc/hosts.deny
:
sshd: ALL
:
nano /etc/hosts.allow
:
sshd: ALL: aclexec /usr/local/bin/sshfilter.sh %a
SSH ,
:
-
48
! 2015.
/usr/local/bin/sshfilter.sh 8.8.8.8April 13 16:02:37 pi root:
DENY sshd connection from 8.8.8.8 (US)
, :
cat /var/log/messages | grep DENY
:
April 13 17:59:54 pi logger: DENY sshd connection from
82.221.102.185 (IS)April 13 17:47:54 pi logger: DENY sshd
connection from 220.227.123.122 (IN)April 13 17:43:51 pi logger:
DENY sshd connection from 221.229.166.252 (CN)April 13 16:49:04 pi
logger: DENY sshd connection from 221.208.245.226 (CN)
GeoIP
crontab :
nano /usr/local/bin/updategeoip.sh
:
#!/bin/bashcd /tmpwget
-qhttp://geolite.maxmind.com/download/geoip/database/GeoLiteCountry/GeoIP.dat.gzif
[ -f GeoIP.dat.gz ]then
gzip -d GeoIP.dat.gzrm -f /usr/share/GeoIP/GeoIP.datmv -f
GeoIP.dat /usr/share/GeoIP/GeoIP.dat
elseecho "The GeoIP library could not be downloaded and updated"
i
:
chmod +x /ust/local/bin/updategeoip.sh
X
-
49
35
:
crontab -e
:
0 6 15 * * /usr/local/bin/updategeoip.sh
. DNS
.
:
AutomapHostsOnResolve 1AutomapHostsSuffixes .exit,.onion
SSH :
service ssh restart && service tor reload
/etc/tor/torrc
/var/lib/tor/keys .
.
- (. Hiawatha) .
.
