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BlackWeb

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BlackWeb is a project that collects and unifies public blocklists of domains (porn, downloads, drugs, malware, spyware, trackers, bots, social networks, warez, weapons, etc.) to make them compatible with Squid-Cache.

DATA SHEET

ACL Blocked Domains File Size
blackweb.txt 4970387 122,5 MB

GIT CLONE

git clone --depth=1 https://github.com/maravento/blackweb.git

HOW TO USE

blackweb.txt is already updated and optimized for Squid-Cache. Download it and unzip it in the path of your preference and activate Squid-Cache RULE.

Download

wget -q -c -N https://raw.githubusercontent.com/maravento/blackweb/master/blackweb.tar.gz && cat blackweb.tar.gz* | tar xzf -

If Multiparts Exist

#!/bin/bash

# Variables
url="https://raw.githubusercontent.com/maravento/blackweb/master/blackweb.tar.gz"
wgetd="wget -q -c --timestamping --no-check-certificate --retry-connrefused --timeout=10 --tries=4 --show-progress"

# TMP folder
output_dir="bwtmp"
mkdir -p "$output_dir"

# Download
if $wgetd "$url"; then
  echo "File downloaded: $(basename $url)"
else
  echo "Main file not found. Searching for multiparts..."

  # Multiparts from a to z
  all_parts_downloaded=true
  for part in {a..z}{a..z}; do
    part_url="${url%.*}.$part"
    if $wgetd "$part_url"; then
      echo "Part downloaded: $(basename $part_url)"
    else
      echo "Part not found: $part"
      all_parts_downloaded=false
      break
    fi
  done

  if $all_parts_downloaded; then
    # Rebuild the original file in the current directory
    cat blackweb.tar.gz.* > blackweb.tar.gz
    echo "Multipart file rebuilt"
  else
    echo "Multipart process cannot be completed"
    exit 1
  fi
fi

# Unzip the file to the output folder
tar -xzf blackweb.tar.gz -C "$output_dir"

echo "Done"

Checksum

wget -q -c -N https://raw.githubusercontent.com/maravento/blackweb/master/blackweb.tar.gz && cat blackweb.tar.gz* | tar xzf -
wget -q -c -N https://raw.githubusercontent.com/maravento/blackweb/master/blackweb.txt.sha256
LOCAL=$(sha256sum blackweb.txt | awk '{print $1}'); REMOTE=$(awk '{print $1}' blackweb.txt.sha256); echo "$LOCAL" && echo "$REMOTE" && [ "$LOCAL" = "$REMOTE" ] && echo OK || echo FAIL

BlackWeb Rule for Squid-Cache

Edit:

/etc/squid/squid.conf

And add the following lines:

# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS

# Block Rule for Blackweb
acl blackweb dstdomain "/path_to/blackweb.txt"
http_access deny blackweb

Advanced Rules

BlackWeb contains millions of domains, therefore it is recommended:

Allow Rule for Domains

Use allowdomains.txt to exclude essential domains or subdomains, such as .accounts.google.com, .yahoo.com, .github.com, etc. According to Squid's documentation, the subdomains accounts.google.com and accounts.youtube.com may be used by Google for authentication within its ecosystem. Blocking them could disrupt access to services like Gmail, Drive, Docs, and others.

acl allowdomains dstdomain "/path_to/allowdomains.txt"
http_access allow allowdomains
Block Rule for Domains

Use blockdomains.txt to block any other domain not included in blackweb.txt

acl blockdomains dstdomain "/path_to/blockdomains.txt"
http_access deny blockdomains
Block Rule for gTLD, sTLD, ccTLD, etc

Use blocktlds.txt to block gTLD, sTLD, ccTLD, etc.

acl blocktlds dstdomain "/path_to/blocktlds.txt"
http_access deny blocktlds

Input:

.bardomain.xxx
.subdomain.bardomain.xxx
.bardomain.ru
.bardomain.adult
.foodomain.com
.foodomain.porn

Output:

.foodomain.com
Block Rule for Punycode

Use this rule to block Punycode - RFC3492, IDN | Non-ASCII (TLDs or Domains), to prevent an IDN homograph attack. For more information visit welivesecurity: Homograph attacks.

acl punycode dstdom_regex -i \.xn--.*
http_access deny punycode

Input:

.bücher.com
.mañana.com
.google.com
.auth.wikimedia.org
.xn--fiqz9s
.xn--p1ai

ASCII Output:

.google.com
.auth.wikimedia.org
Block Rule for Words

Use this rule to block words (Optional. Can generate false positives).

# Download ACL:
sudo wget -P /etc/acl/ https://raw.githubusercontent.com/maravento/vault/refs/heads/master/blackshield/acl/squid/blockwords.txt
# Squid Rule to Block Words:
acl blockwords url_regex -i "/etc/acl/blockwords.txt"
http_access deny blockwords

Input:

.bittorrent.com
https://www.google.com/search?q=torrent
https://www.google.com/search?q=mydomain
https://www.google.com/search?q=porn
.mydomain.com

Output:

https://www.google.com/search?q=mydomain
.mydomain.com
Streaming (Optional)

Use streaming.txt to block streaming domains not included in blackweb.txt (for example: .youtube.com .googlevideo.com, .ytimg.com, etc.).

acl streaming dstdomain "/path_to/streaming.txt"
http_access deny streaming

Note: This list may contain overlapping domains. It is important to manually clean it according to the proposed objective. Example:

  • If your goal is to block Facebook, keep the primary domains and remove specific subdomains.
  • If your goal is to block features, like Facebook streaming, keep the specific subdomains and remove the primary domains to avoid impacting overall site access. Example:
# Block Facebook
.fbcdn.net
.facebook.com

# Block some Facebook streaming content
.z-p3-video.flpb1-1.fna.fbcdn.net

Advanced Rules Summary

# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS

# Allow Rule for Domains
acl allowdomains dstdomain "/path_to/allowdomains.txt"
http_access allow allowdomains

# Block Rule for Punycode
acl punycode dstdom_regex -i \.xn--.*
http_access deny punycode

# Block Rule for gTLD, sTLD, ccTLD
acl blocktlds dstdomain "/path_to/blocktlds.txt"
http_access deny blocktlds

# Block Rule for Domains
acl blockdomains dstdomain "/path_to/blockdomains.txt"
http_access deny blockdomains

# Block Rule for Patterns (Optional)
# https://raw.githubusercontent.com/maravento/vault/refs/heads/master/blackshield/acl/squid/blockpatterns.txt
acl blockwords url_regex -i "/etc/acl/blockpatterns.txt"
http_access deny blockwords

# Block Rule for web3 (Optional)
# https://raw.githubusercontent.com/maravento/vault/refs/heads/master/blackshield/acl/web3/web3domains.txt
acl web3 dstdomain "/path_to/web3domains.txt"
http_access deny web3

# Block Rule for Blackweb
acl blackweb dstdomain "/path_to/blackweb.txt"
http_access deny blackweb

BLACKWEB UPDATE

⚠️ WARNING: BEFORE YOU CONTINUE

This section is only to explain how update and optimization process works. It is not necessary for user to run it. This process can take time and consume a lot of hardware and bandwidth resources, therefore it is recommended to use test equipment.

Bash Update

The update process of blackweb.txt consists of several steps and is executed in sequence by the script bwupdate.sh. The script will request privileges when required.

wget -q -N https://raw.githubusercontent.com/maravento/blackweb/master/bwupdate/bwupdate.sh && chmod +x bwupdate.sh && ./bwupdate.sh

Dependencies

Update requires python 3x and bash 5x. It also requires the following dependencies:

wget git curl libnotify-bin perl tar rar unrar unzip zip gzip python-is-python3 idn2 iconv

Make sure your Squid is installed correctly. If you have any problems, run the following script: (sudo ./squid_install.sh):

#!/bin/bash

# kill old version
while pgrep squid > /dev/null; do
    echo "Waiting for Squid to stop..."
    killall -s SIGTERM squid &>/dev/null
    sleep 5
done

# squid remove (if exist)
apt purge -y squid* &>/dev/null
rm -rf /var/spool/squid* /var/log/squid* /etc/squid* /dev/shm/* &>/dev/null

# squid install (you can use 'squid-openssl' or 'squid')
apt install -y squid-openssl squid-langpack squid-common squidclient squid-purge

# create log
if [ ! -d /var/log/squid ]; then
    mkdir -p /var/log/squid
fi &>/dev/null
if [[ ! -f /var/log/squid/{access,cache,store,deny}.log ]]; then
    touch /var/log/squid/{access,cache,store,deny}.log
fi &>/dev/null

# permissions
chown -R proxy:proxy /var/log/squid

# enable service
systemctl enable squid.service
systemctl start squid.service
echo "Done"

Capture Public Blocklists

Capture domains from downloaded public blocklists (see SOURCES) and unifies them in a single file.

Domains Debugging

Remove overlapping domains ('.sub.example.com' is a subdomain of '.example.com'), does homologation to Squid-Cache format and excludes false positives (google, hotmail, yahoo, etc.) with a allowlist (debugwl.txt).

Input:

com
.com
.domain.com
domain.com
0.0.0.0 domain.com
127.0.0.1 domain.com
::1 domain.com
domain.com.co
foo.bar.subdomain.domain.com
.subdomain.domain.com.co
www.domain.com
www.foo.bar.subdomain.domain.com
domain.co.uk
xxx.foo.bar.subdomain.domain.co.uk

Output:

.domain.com
.domain.com.co
.domain.co.uk

TLD Validation

Remove domains with invalid TLDs (with a list of Public and Private Suffix TLDs: ccTLD, ccSLD, sTLD, uTLD, gSLD, gTLD, eTLD, etc., up to 4th level 4LDs).

Input:

.domain.exe
.domain.com
.domain.edu.co

Output:

.domain.com
.domain.edu.co

Debugging Punycode-IDN

Remove hostnames larger than 63 characters (RFC 1035) and other characters inadmissible by IDN and convert domains with international characters (non ASCII) and used for homologous attacks to Punycode/IDNA format.

Input:

bücher.com
café.fr
españa.com
köln-düsseldorfer-rhein-main.de
mañana.com
mūsųlaikas.lt
sendesık.com
президент.рф

Output:

xn--bcher-kva.com
xn--caf-dma.fr
xn--d1abbgf6aiiy.xn--p1ai
xn--espaa-rta.com
xn--kln-dsseldorfer-rhein-main-cvc6o.de
xn--maana-pta.com
xn--mslaikas-qzb5f.lt
xn--sendesk-wfb.com

Debugging non-ASCII characters

Removes entries with invalid encoding, non-printable characters, whitespace, disallowed symbols, and any content that does not conform to the strict ASCII format for valid domain names (CP1252, ISO-8859-1, corrupted UTF-8, etc.). Converts the output to plain text with charset=us-ascii, ensuring a clean, standardized list ready for validation, comparison, or DNS resolution:

Input:

M-C$
-$
.$
0$
1$
23andmê.com
.òutlook.com
.ălibăbă.com
.ămăzon.com
.ăvăst.com
.amùazon.com
.aməzon.com
.avalón.com
.bĺnance.com
.bitdẹfender.com
.blóckchain.site
.blockchaiǹ.com
.cashpluÈ™.com
.dẹll.com
.diócesisdebarinas.org
.disnẹylandparis.com
.ebăy.com
.əməzon.com
.evo-bancó.com
.goglÄ™.com
.gooÄŸle.com
.googļę.com
.googlÉ™.com
.google.com
.ibẹria.com
.imgúr.com
.lloydÅŸbank.com
.mýetherwallet.com
.mrgreęn.com
.myẹthẹrwallet.com
.myẹthernwallet.com
.myethẹrnwallet.com
.myetheá¹™wallet.com
.myethernwallẹt.com
.nętflix.com
.paxfùll.com
.türkiyeisbankasi.com
.třezor.com
.westernúnion.com
.yòutube.com
.yăhoo.com
.yoütübe.co
.yoütübe.com
.yoütu.be

Output:

.google.com

DNS Loockup

Most of the SOURCES contain millions of invalid or nonexistent domains, so each domain is double-checked via DNS (in 2 steps) to exclude those entries from Blackweb. This process is performed in parallel and can be resource-intensive, depending on your hardware and network conditions. You can control concurrency with the PROCS variable:

PROCS=$(($(nproc)))        # Conservative (network-friendly)
PROCS=$(($(nproc) * 2))    # Balanced
PROCS=$(($(nproc) * 4))    # Aggressive (default)
PROCS=$(($(nproc) * 8))    # Extreme (8 or higher, use with caution)

For example, on a system with a Core i5 CPU (4 physical cores / 8 threads with Hyper-Threading):

nproc             → 8
PROCS=$((8 * 4))  → 32 parallel queries

⚠️ High PROCS values increase DNS resolution speed but may saturate your CPU or bandwidth, especially on limited networks like satellite links. Adjust accordingly. Real-time processing example:

Processed: 2463489 / 7244989 (34.00%)

Output:

HIT google.com
google.com has address 142.251.35.238
google.com has IPv6 address 2607:f8b0:4008:80b::200e
google.com mail is handled by 10 smtp.google.com.

FAULT testfaultdomain.com
Host testfaultdomain.com not found: 3(NXDOMAIN)

Excludes government-related TLDs

Remove government domains (.gov) and other related TLDs from BlackWeb.

Input:

.argentina.gob.ar
.mydomain.com
.gob.mx
.gov.uk
.navy.mil

Output:

.mydomain.com

Run Squid-Cache with BlackWeb

Run Squid-Cache with BlackWeb and any error sends it to SquidError.txt.

Check execution (/var/log/syslog)

BlackWeb: Done 06/05/2023 15:47:14

Important about BlackWeb Update

  • The default path of BlackWeb is /etc/acl. You can change it for your preference.
  • If you need to interrupt the execution of bwupdate.sh (ctrl + c) and it stopped at the DNS Loockup part, it will restart at that point. If you stop it earlier, you will have to start from the beginning or modify the script manually so that it starts from the desired point.
  • If you use aufs, temporarily change it to ufs during the upgrade, to avoid: ERROR: Can't change type of existing cache_dir aufs /var/spool/squid to ufs. Restart required.

SOURCES

BLOCKLISTS

Active

DEBUG LISTS

WORKTOOLS

BACKLINKS

NOTICE

  • This project includes third-party components.
  • Changes must be proposed via Issues. Pull Requests are not accepted.
  • BlackWeb is designed exclusively for Squid-Cache and due to the large number of blocked domains it is not recommended to use it in other environments (DNSMasq, Pi-Hole, etc.), or add it to the Windows Hosts File, as it could slow down or crash it. Use it at your own risk. For more information check Issue 10
  • Blackweb is NOT a blacklist service itself. It does not independently verify domains. Its purpose is to consolidate and reformat public blacklist sources to make them compatible with Squid.
  • If your domain appears in Blackweb and you believe this is an error, you should review the public sources SOURCES, to identify where it is listed and contact the maintainer of that list to request its removal. Once the domain is removed from the upstream source, it will automatically disappear from Blackweb in the next update. You can also use the following script to perform the same verification:
wget https://raw.githubusercontent.com/maravento/blackweb/refs/heads/master/bwupdate/tools/checksources.sh
chmod +x checksources.sh
./checksources.sh

e.g:

[?] Enter domain to search: kickass.to

[*] Searching for 'kickass.to'...
[+] Domain found in: https://github.com/fabriziosalmi/blacklists/releases/download/latest/blacklist.txt
[+] Domain found in: https://hostsfile.org/Downloads/hosts.txt
[+] Domain found in: https://raw.githubusercontent.com/blocklistproject/Lists/master/everything.txt
[+] Domain found in: https://raw.githubusercontent.com/hagezi/dns-blocklists/main/domains/ultimate.txt
[+] Domain found in: https://raw.githubusercontent.com/Ultimate-Hosts-Blacklist/Ultimate.Hosts.Blacklist/master/hosts/hosts0
[+] Domain found in: https://sysctl.org/cameleon/hosts
[+] Domain found in: https://v.firebog.net/hosts/Kowabit.txt
Done

STARGAZERS

Stargazers

CONTRIBUTIONS

We thank all those who have contributed to this project. Those interested can contribute, sending us links of new lists, to be included in this project.

Special thanks to: Jhonatan Sneider

SPONSOR THIS PROJECT

Image

PROJECT LICENSES

GPL-3.0 CC BY-NC-ND 4.0

DISCLAIMER

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

OBJECTION

Due to recent arbitrary changes in computer terminology, it is necessary to clarify the meaning and connotation of the term blacklist, associated with this project:

In computing, a blacklist, denylist or blocklist is a basic access control mechanism that allows through all elements (email addresses, users, passwords, URLs, IP addresses, domain names, file hashes, etc.), except those explicitly mentioned. Those items on the list are denied access. The opposite is a whitelist, which means only items on the list are let through whatever gate is being used. Source Wikipedia

Therefore, blacklist, blocklist, blackweb, blackip, whitelist and similar, are terms that have nothing to do with racial discrimination.

About

Domains Blacklist for Squid-Cache

www.maravento.com

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