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89%
Creating an SFTP jail
30.11.2025
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»
Archive
»
2011
»
Issue 3: Are yo...
»
/home/jail/sftpuser/home/sftpuser 26 ForceCommand internal-sftp 27
X
11Forwarding no 28 AllowTcpForwarding no 29 bash#> The most critical part is the last stanza (lines
24
-28). This section specifies the new
89%
Targeted defense against brute force attacks
30.11.2025
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2011
»
Issue 3: Are yo...
»
puts the IP addresses between 192.168.
0
.1 and 192.168.
0
.255 on the whitelist: sudo sshguard -l /var/log/auth.log -w 192.168.
0/24
Alternatively, you can do this with hostnames. sudo sshguard -l /var
88%
Linux filesystem performance tested
30.11.2025
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»
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»
2012
»
Issue 10: Traff...
»
cache SSD/Hard disks: two SATA-II Intel SSD 710 Series (
100
GB)/six SAS Toshiba MK2001TRKB 6GBps (2TB) Network: 4
x
Intel (IGB) 1Gbps Operating system: openSUSE 12.1 and Tumbleweed, kernel 3.1.10 and 3
88%
Managing virtual machines
30.11.2025
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2012
»
Issue 09: Windo...
»
VALUES ('$hostname', '$ip', 'A', 86400, $time, 1,
0
)/; 21 } else { 22 $sql = qq/UPDATE records SET content = '$ip' WHERE name = '$hostname'/; 23 }
24
$sth->finish(); 25 $dbh->do($sql) or warn $dbh
87%
Virtualization via Zones
30.11.2025
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»
2010
»
Issue 0: Active...
»
using? 07 1) ANSI Standard CRT 08 2) DEC VT
100
09 3) PC Console 10 4) Sun Command Tool 11 5) Sun Workstation 12 6)
X
Terminal Emulator (xterms) 13 7) Other 14 Type the number of your choice ...
0
85%
pfSense firewall and router distribution
30.11.2025
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2012
»
Issue 07: Xen v...
»
the Downloads page to a mirror, you might be overwhelmed by the list of innumerable files (Figure 1). Normally, however, all you need is the approximately
100
MB ISO image, pfSense-2.
0
-RELEASE-i386.iso.gz, from
84%
Network analysis with Wireshark
30.11.2025
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»
Archive
»
2011
»
Issue 5: Pen Te...
»
-click the packet details in the packet list to add protocol fields. The release of Libpcap
1.0.0
added the ability to define the buffer size for recording and to view JPG files directly in Wireshark. Version 1
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