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Mac OS X adblock shell script using system hosts file (Block ads system wide)
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| #!/bin/sh | |
| # | |
| # Mac OSX Adblocker Script for IPv4 | |
| # Description: Blocks ads using system hosts file /private/etc/hosts, Ad-Domains would be redirected to 0.0.0.0 | |
| # Author: Daniel Hochleitner | |
| # Created: 10.09.2015 | |
| # Use: sudo ./adblock_hosts.sh | |
| # Get original hosts file from /private/etc/hosts | |
| # | |
| echo '!! Step 1: Get original hosts file' | |
| # into current directory | |
| if [ -f hosts_org.txt ]; then | |
| echo '--> original hosts file already saved in current directory'; | |
| else | |
| cp /private/etc/hosts hosts_org.txt | |
| fi | |
| # save into /private/etc/hosts_org | |
| if [ -f /private/etc/hosts_org ]; then | |
| echo '--> original hosts file already saved in /private/etc/hosts_org'; | |
| else | |
| sudo cp -p /private/etc/hosts /private/etc/hosts_org | |
| echo '--> saved hosts file into /private/etc/hosts_org' | |
| fi | |
| echo '!! Step 2: Get Adblock hosts files from WWW' | |
| rm -fr www_hosts | |
| mkdir www_hosts | |
| cd www_hosts | |
| # Host 1 | |
| curl -O https://adaway.org/hosts.txt | |
| mv hosts.txt hosts1.txt | |
| if [ -f hosts1.txt ]; then | |
| echo '--> adaway.org saved'; | |
| fi | |
| # Host 2 | |
| curl -O http://hosts-file.net/.%5Cad_servers.txt | |
| mv .%5Cad_servers.txt hosts2.txt | |
| if [ -f hosts2.txt ]; then | |
| echo '--> hosts-file.net saved'; | |
| fi | |
| # Host 3 | |
| curl -O http://winhelp2002.mvps.org/hosts.txt | |
| mv hosts.txt hosts3.txt | |
| if [ -f hosts3.txt ]; then | |
| echo '--> winhelp2002.mvps.org saved'; | |
| fi | |
| # Host 4 | |
| curl -O "http://pgl.yoyo.org/adservers/serverlist.php?hostformat=hosts&showintro=0&mimetype=plaintext" | |
| mv serverlist.php\?hostformat\=hosts\&showintro\=0\&mimetype\=plaintext hosts4.txt | |
| if [ -f hosts4.txt ]; then | |
| echo '--> pgl.yoyo.org saved'; | |
| fi | |
| # Host 5 | |
| curl -O http://www.malwaredomainlist.com/hostslist/hosts.txt | |
| mv hosts.txt hosts5.txt | |
| if [ -f hosts5.txt ]; then | |
| echo '--> malwaredomainlist saved'; | |
| fi | |
| # Host 6 | |
| curl -O http://someonewhocares.org/hosts/zero/hosts | |
| mv hosts hosts6.txt | |
| if [ -f hosts6.txt ]; then | |
| echo '--> someonewhocares.org saved'; | |
| fi | |
| # merge files into new host file | |
| # | |
| echo '!! Step 3: merge files into new host file' | |
| cd .. | |
| cat www_hosts/hosts1.txt >> hosts_new_temp.txt | |
| cat www_hosts/hosts2.txt >> hosts_new_temp.txt | |
| cat www_hosts/hosts3.txt >> hosts_new_temp.txt | |
| cat www_hosts/hosts4.txt >> hosts_new_temp.txt | |
| cat www_hosts/hosts5.txt >> hosts_new_temp.txt | |
| cat www_hosts/hosts6.txt >> hosts_new_temp.txt | |
| # Replace special entries | |
| sed -i.bak '/localhost/d' hosts_new_temp.txt | |
| sed -i.bak '/broadcasthost/d' hosts_new_temp.txt | |
| sed -i.bak '/local/d' hosts_new_temp.txt | |
| sed -i.bak '/piwik.org/d' hosts_new_temp.txt | |
| sed -i.bak '/spclient.wg.spotify.com/d' hosts_new_temp.txt | |
| sed -i.bak '/securemetrics.apple.com/d' hosts_new_temp.txt | |
| sed -i.bak 's/127.0.0.1/0.0.0.0/' hosts_new_temp.txt | |
| # build new hosts file | |
| cat hosts_org.txt > hosts_new.txt | |
| # special 0.0.0.0 entry | |
| echo "# Special Entries" >> hosts_new.txt | |
| echo "0.0.0.0 0.0.0.0 # fix for traceroute and netstat" >> hosts_new.txt | |
| # adblock hosts entries | |
| cat hosts_new_temp.txt >> hosts_new.txt | |
| rm -f hosts_new_temp.txt* | |
| # write new hosts file into system | |
| echo '!! Step 4: write new hosts file into system' | |
| echo '--> writing file...' | |
| sudo cp hosts_new.txt /private/etc/hosts | |
| chmod 644 /private/etc/hosts | |
| echo '--> refresh DNS cache...' | |
| dscacheutil -flushcache | |
| sudo killall -HUP mDNSResponder | |
| echo '!! Finished !!' |
there is an error at the end of the hosts file
...
...
0.0.0.0 zt.tim-taxi.com
0.0.0.0 zyrdu.cruisingsmallship.com
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>302 Found</title>
</head><body>
<h1>Found</h1>
<p>The document has moved <a href="https://someonewhocares.org/hosts/zero/hosts">here</a>.</p>
</body></html>
and in some other places...
but still work well! Thank you!!
...and maybe you should drop non-unique addresses
to remove non-unique lines we can use this bash-script
cp /etc/hosts /etc/hosts.before-uniq.bak
grep -o '^[^#<]*' /etc/hosts | sort | uniq > /etc/hostshere:
grep -o '^[^#<]*' -- prints only lines not containing # or <at the beginning of the line
Hi,
thanks for the correction...This script is pretty old, so the main reason why we see html/http output there is because the host files moved the server location, so if the URLs get updated it should work again...
Btw nowadays I use this:
https://github.com/StevenBlack/hosts
It's much more feature rich and can be nicely configured...
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awesome! ! ! !