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1. UNIX for Beginners Questions & Answers
Hi All,
I have a strange issue and I am not sure where the problem lies.
I have about six Ubuntu servers on our DMZ two of which were built on 18.04 from scratch the others were upgraded to 18.04 from 16.04.
The servers built from scratch can send emails from the server via sendmail fine, so... (4 Replies)
Discussion started by: dakelly
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2. Shell Programming and Scripting
I remote to many DMZ boxes every day to run batch file that allows me to create users. I create users in 17 DMZ boxes every day which takes a lot of my time.
Is there any script that would do this job from my local computer?
Thank you for your help! (3 Replies)
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3. Cybersecurity
Hi, I am new here. Nice to meet you guys :)
Here is my first question:
We are using Fortigate 3800 as firewalls. The DMZ contains external DNS, web and proxy servers. Systems in DMZ use subnet 192.168.1.0, and the internal systems use subnet 10.1.1.0.
My questions: Can we assign two... (3 Replies)
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4. Shell Programming and Scripting
Hi
I would like write a script that will do sftp frm a box that resides inside the FW to a box that resides in DMZ.Any ideas guys.I tried generating rsa keys for a particular user, however just want to know is there any other solution or not. Your help is much appreciated.
Thanks
CK (2 Replies)
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5. Solaris
I've been looking at various articles about Zones/Containers, from SUN's website, and through numerous Google searches, and although there's a lot of info out there, I've not got a definitive answer for what I'd like to do.....so here we go.....
I'm installing a webserver, which is sitting on a... (3 Replies)
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6. UNIX for Advanced & Expert Users
I'd just like to know what you use for user account management on your DMZ servers?
Do you use the same authentication realm as internally?
Do you use a different authentication realm, perhaps only for the DMZ?
Do you use local accounts? (2 Replies)
Discussion started by: humbletech99
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7. Linux
Hi to all.
There are eth0(wan) eth1(lan) and eth3(dmz) in my debian router.
In dmz is planing dns, ad, dhcp, smtp/pop/imap, https(web-based imap client). I don't configured rules on "iptables" and "route" loads for right relation lan clients with dmz services.
Please explain me example... (0 Replies)
Discussion started by: sotich82
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LEARN ABOUT SUSE
clamscan
clamscan(1) Clam AntiVirus clamscan(1)
NAME
clamscan - scan files and directories for viruses
SYNOPSIS
clamscan [options] [file/directory/-]
DESCRIPTION
clamscan is a command line anti-virus scanner.
OPTIONS
Most of the options are simple switches which enable or disable some features. Options marked with [=yes/no(*)] can be optionally followed
by =yes/=no; if they get called without the boolean argument the scanner will assume 'yes'. The asterisk marks the default internal setting
for a given option.
-h, --help
Print help information and exit.
-V, --version
Print version number and exit.
-v, --verbose
Be verbose.
--debug
Display debug messages from libclamav.
--quiet
Be quiet (only print error messages).
--stdout
Write all messages (except for libclamav output) to the standard output (stdout).
-d FILE/DIR, --database=FILE/DIR
Load virus database from FILE or load all virus database files from DIR.
--official-db-only=[yes/no(*)]
Only load the official signatures published by the ClamAV project.
-l FILE, --log=FILE
Save scan report to FILE.
--tempdir=DIRECTORY
Create temporary files in DIRECTORY. Directory must be writable for the '' user or unprivileged user running clamscan.
--leave-temps
Do not remove temporary files.
-f FILE, --file-list=FILE
Scan files listed line by line in FILE.
-r, --recursive
Scan directories recursively. All the subdirectories in the given directory will be scanned.
--cross-fs=[yes(*)/no]
Scan files and directories on other filesystems.
--bell Sound bell on virus detection.
--no-summary
Do not display summary at the end of scanning.
--exclude=REGEX, --exclude-dir=REGEX
Don't scan file/directory names matching regular expression. These options can be used multiple times.
--include=REGEX, --include-dir=REGEX
Only scan file/directory matching regular expression. These options can be used multiple times.
-i, --infected
Only print infected files.
--remove[=yes/no(*)]
Remove infected files. Be careful.
--move=DIRECTORY
Move infected files into DIRECTORY. Directory must be writable for the '' user or unprivileged user running clamscan.
--copy=DIRECTORY
Copy infected files into DIRECTORY. Directory must be writable for the '' user or unprivileged user running clamscan.
--bytecode[=yes(*)/no]
With this option enabled ClamAV will load bytecode from the database. It is highly recommended you keep this option turned on, oth-
erwise you may miss detections for many new viruses.
--bytecode-trust-all[=yes/no(*)]
This option disables safety checks and makes ClamAV trust all bytecode. It should only be used for debugging.
--bytecode-timeout=N
Set bytecode timeout in milliseconds (default: 60000 = 60s)
--detect-pua[=yes/no(*)]
Detect Possibly Unwanted Applications.
--exclude-pua=CATEGORY
Exclude a specific PUA category. This option can be used multiple times. See http://www.clamav.net/support/pua for the complete list
of PUA
--include-pua=CATEGORY
Only include a specific PUA category. This option can be used multiple times. See http://www.clamav.net/support/pua for the complete
list of PUA
--detect-structured[=yes/no(*)]
Use the DLP (Data Loss Prevention) module to detect SSN and Credit Card numbers inside documents/text files.
--structured-ssn-format=X
X=0: search for valid SSNs formatted as xxx-yy-zzzz (normal); X=1: search for valid SSNs formatted as xxxyyzzzz (stripped); X=2:
search for both formats. Default is 0.
--structured-ssn-count=#n
This option sets the lowest number of Social Security Numbers found in a file to generate a detect (default: 3).
--structured-cc-count=#n
This option sets the lowest number of Credit Card numbers found in a file to generate a detect (default: 3).
--scan-mail[=yes(*)/no]
Scan mail files.
--phishing-sigs[=yes(*)/no]
Use the signature-based phishing detection.
--phishing-scan-urls[=yes(*)/no]
Use the url-based heuristic phishing detection (Phishing.Heuristics.Email.*)
--heuristic-scan-precedence[=yes/no(*)]
Allow heuristic match to take precedence. When enabled, if a heuristic scan (such as phishingScan) detects a possible virus/phish it
will stop scan immediately. Recommended, saves CPU scan-time. When disabled, virus/phish detected by heuristic scans will be
reported only at the end of a scan. If an archive contains both a heuristically detected virus/phish, and a real malware, the real
malware will be reported Keep this disabled if you intend to handle "*.Heuristics.*" viruses differently from "real" malware. If a
non-heuristically-detected virus (signature-based) is found first, the scan is interrupted immediately, regardless of this config
option.
--phishing-ssl[=yes/no(*)]
Block SSL mismatches in URLs (might lead to false positives!).
--phishing-cloak[=yes/no(*)]
Block cloaked URLs (might lead to some false positives).
--algorithmic-detection[=yes(*)/no]
In some cases (eg. complex malware, exploits in graphic files, and others), ClamAV uses special algorithms to provide accurate
detection. This option can be used to control the algorithmic detection.
--scan-pe[=yes(*)/no]
PE stands for Portable Executable - it's an executable file format used in all 32-bit versions of Windows operating systems. By
default ClamAV performs deeper analysis of executable files and attempts to decompress popular executable packers such as UPX,
Petite, and FSG.
--scan-elf[=yes(*)/no]
Executable and Linking Format is a standard format for UN*X executables. This option controls the ELF support.
--scan-ole2[=yes(*)/no]
Scan Microsoft Office documents and .msi files.
--scan-pdf[=yes(*)/no]
Scan within PDF files.
--scan-html[=yes(*)/no]
Detect, normalize/decrypt and scan HTML files and embedded scripts.
--scan-archive[=yes(*)/no]
Scan archives supported by libclamav.
--detect-broken[=yes/no(*)]
Mark broken executables as viruses (Broken.Executable).
--block-encrypted[=yes/no(*)]
Mark encrypted archives as viruses (Encrypted.Zip, Encrypted.RAR).
--max-files=#n
Extract at most #n files from each scanned file (when this is an archive, a document or another kind of container). This option pro-
tects your system against DoS attacks (default: 10000)
--max-filesize=#n
Extract and scan at most #n kilobytes from each archive. You may pass the value in megabytes in format xM or xm, where x is a num-
ber. This option protects your system against DoS attacks (default: 25 MB, max: <4 GB)
--max-scansize=#n
Extract and scan at most #n kilobytes from each scanned file. You may pass the value in megabytes in format xM or xm, where x is a
number. This option protects your system against DoS attacks (default: 100 MB, max: <4 GB)
--max-recursion=#n
Set archive recursion level limit. This option protects your system against DoS attacks (default: 16).
--max-dir-recursion=#n
Maximum depth directories are scanned at (default: 15).
EXAMPLES
(0) Scan a single file:
clamscan file
(1) Scan a current working directory:
clamscan
(2) Scan all files (and subdirectories) in /home:
clamscan -r /home
(3) Load database from a file:
clamscan -d /tmp/newclamdb -r /tmp
(4) Scan a data stream:
cat testfile | clamscan -
(5) Scan a mail spool directory:
clamscan -r /var/spool/mail
RETURN CODES
0 : No virus found.
1 : Virus(es) found.
2 : Some error(s) occured.
CREDITS
Please check the full documentation for credits.
AUTHOR
Tomasz Kojm <tkojm@clamav.net>
SEE ALSO
clamdscan(1), freshclam(1), freshclam.conf(5)
ClamAV 0.96.1 December 30, 2008 clamscan(1)