mirror of
https://gitlab.com/shorewall/code.git
synced 2024-11-14 03:34:31 +01:00
update cvs link
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@2218 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
parent
fc7ef23103
commit
84c11b287a
@ -1,49 +1,51 @@
|
||||
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
|
||||
<html>
|
||||
<head>
|
||||
<html><head>
|
||||
|
||||
<meta http-equiv="Content-Language" content="en-us">
|
||||
|
||||
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
|
||||
<meta name="GENERATOR" content="Microsoft FrontPage 5.0">
|
||||
<meta name="ProgId" content="FrontPage.Editor.Document">
|
||||
<title>Download</title>
|
||||
</head>
|
||||
<title>Download</title></head>
|
||||
<body>
|
||||
<h1 style="text-align: left;">Shorewall Download</h1>
|
||||
|
||||
<span style="font-weight: bold;">Tom Eastep<br>
|
||||
<br>
|
||||
</span>Copyright © 2001-2005 Thomas M. Eastep<span
|
||||
style="font-weight: bold;"><br>
|
||||
</span>Copyright © 2001-2005 Thomas M. Eastep<span style="font-weight: bold;"><br>
|
||||
</span>
|
||||
<p>Permission is granted to copy, distribute and/or modify this
|
||||
document under the terms of the GNU Free Documentation License, Version
|
||||
1.2 or any later version published by the Free Software Foundation;
|
||||
with no Invariant Sections, with no Front-Cover, and with no Back-Cover
|
||||
Texts. A copy of the license is included in the section entitled “<span
|
||||
class="quote"><a href="GnuCopyright.htm" target="_self">GNU Free
|
||||
Texts. A copy of the license is included in the section entitled “<span class="quote"><a href="GnuCopyright.htm" target="_self">GNU Free
|
||||
Documentation License</a></span>”.<br>
|
||||
</p>
|
||||
|
||||
<p>2005-03-22<br>
|
||||
</p>
|
||||
|
||||
<hr style="width: 100%; height: 2px;">
|
||||
<p><b>I strongly urge you to read and print a copy of the <a
|
||||
href="shorewall_quickstart_guide.htm">Shorewall QuickStart Guide</a>
|
||||
<p><b>I strongly urge you to read and print a copy of the <a href="shorewall_quickstart_guide.htm">Shorewall QuickStart Guide</a>
|
||||
for the configuration that most closely matches your own.<br>
|
||||
</b></p>
|
||||
|
||||
<p>The entire set of Shorewall documentation is available in PDF format
|
||||
at:</p>
|
||||
<p> <a
|
||||
href="ftp://slovakia.shorewall.net/mirror/shorewall/pdf/">ftp://slovakia.shorewall.net/mirror/shorewall/pdf/</a><br>
|
||||
<a
|
||||
href="http://slovakia.shorewall.net/pub/shorewall/pdf/">http://slovakia.shorewall.net/pub/shorewall/pdf/</a><br>
|
||||
<a
|
||||
href="rsync://slovakia.shorewall.net/shorewall/pdf/">rsync://slovakia.shorewall.net/shorewall/pdf/</a>
|
||||
|
||||
<p> <a href="ftp://slovakia.shorewall.net/mirror/shorewall/pdf/">ftp://slovakia.shorewall.net/mirror/shorewall/pdf/</a><br>
|
||||
<a href="http://slovakia.shorewall.net/pub/shorewall/pdf/">http://slovakia.shorewall.net/pub/shorewall/pdf/</a><br>
|
||||
<a href="rsync://slovakia.shorewall.net/shorewall/pdf/">rsync://slovakia.shorewall.net/shorewall/pdf/</a>
|
||||
</p>
|
||||
|
||||
<p>The documentation in both XML and HTML formats is also available for
|
||||
download from the Download Sites listed in the table below.</p>
|
||||
|
||||
<p><font color="#ff0000"><b>NOTICE: There are two current Shorewall
|
||||
Release Series:</b></font><br>
|
||||
</p>
|
||||
|
||||
<ul>
|
||||
|
||||
<li>The STABLE release series is 2.2. Choose this release if you
|
||||
value stability and good documentation.<br>
|
||||
</li>
|
||||
@ -51,25 +53,20 @@ value stability and good documentation.<br>
|
||||
you want the latest and greatest and are willing to help test it.<br>
|
||||
</li>
|
||||
</ul>
|
||||
For additional information, see this article about the<a
|
||||
href="ReleaseModel.html"> Shorewall Release Model</a>.
|
||||
|
||||
For additional information, see this article about the<a href="ReleaseModel.html"> Shorewall Release Model</a>.
|
||||
<p> Once you've printed the appropriate QuickStart Guide, download <u>
|
||||
one</u> of the modules:</p>
|
||||
|
||||
<ul>
|
||||
<li>Simon Matter provides RPMs taylored for <span
|
||||
style="font-weight: bold;">Redhat</span> and <span
|
||||
style="font-weight: bold;">Fedora</span>. You can <a
|
||||
href="http://www.invoca.ch/pub/packages/shorewall/">download them from
|
||||
|
||||
<li>Simon Matter provides RPMs taylored for <span style="font-weight: bold;">Redhat</span> and <span style="font-weight: bold;">Fedora</span>. You can <a href="http://www.invoca.ch/pub/packages/shorewall/">download them from
|
||||
his site</a>. <br>
|
||||
</li>
|
||||
<li>Jack Coates provides RPMs taylored for <span
|
||||
style="font-weight: bold;">Mandrake.</span> You can <a
|
||||
href="http://www.monkeynoodle.org/comp/net/shorewall/">download them
|
||||
<li>Jack Coates provides RPMs taylored for <span style="font-weight: bold;">Mandrake.</span> You can <a href="http://www.monkeynoodle.org/comp/net/shorewall/">download them
|
||||
from his site</a>.</li>
|
||||
<li>Marc Zonzon provides a package for <span
|
||||
style="font-weight: bold;">OpenWRT</span> (Open firmware for Linksys®
|
||||
WRT54G). You can <a
|
||||
href="http://www.iut-lannion.fr/ZONZON/memos_index.php?part=Network&section=WRTMemo&subsec=shorewall">download
|
||||
<li>Marc Zonzon provides a package for <span style="font-weight: bold;">OpenWRT</span> (Open firmware for Linksys®
|
||||
WRT54G). You can <a href="http://www.iut-lannion.fr/ZONZON/memos_index.php?part=Network&section=WRTMemo&subsec=shorewall">download
|
||||
it from his site</a>.<br>
|
||||
</li>
|
||||
<li>If you run a <b>SuSE, </b><b>Linux
|
||||
@ -77,8 +74,7 @@ PPC</b>, <span style="font-weight: bold;">Trustix</span> or <b>
|
||||
TurboLinux</b> distribution with a 2.4 or 2.6 kernel, you can
|
||||
use the standard RPM version (note: the RPM should also work with other
|
||||
distributions that store init scripts in /etc/init.d and that include
|
||||
chkconfig or insserv). If you find that it works in other cases, let <a
|
||||
href="mailto:teastep@shorewall.net"> me</a> know so that I can mention
|
||||
chkconfig or insserv). If you find that it works in other cases, let <a href="mailto:teastep@shorewall.net"> me</a> know so that I can mention
|
||||
them here (Note: the standard RPM is known to work on Redhat, Fedora
|
||||
and Mandrake with issues ranging from trivial (Redhat and Fedora) to
|
||||
moderate (Mandrake)). See the <a href="Install.htm">Installation
|
||||
@ -88,44 +84,40 @@ if you have problems installing the RPM.</li>
|
||||
.lrp file<br>
|
||||
<br>
|
||||
<span style="font-weight: bold;">Note</span>: Beginning with the
|
||||
2.1 Development release, the .lrp file is named shorewall-lrp-<span
|
||||
style="font-style: italic;">version</span>.tgz (e.g.,
|
||||
2.1 Development release, the .lrp file is named shorewall-lrp-<span style="font-style: italic;">version</span>.tgz (e.g.,
|
||||
shorewall-lrp-2.1.0.tgz). Simply rename this file to shorwall.lrp when
|
||||
you move it to your LEAF system.<br>
|
||||
<br>
|
||||
</li>
|
||||
<li>If you run <a href="http://www.debian.org"><b>Debian</b></a> and
|
||||
would like a .deb package, Shorewall is included in both the <a
|
||||
href="http://packages.debian.org/testing/net/shorewall.html">Debian
|
||||
Testing Branch</a> and the <a
|
||||
href="http://packages.debian.org/unstable/net/shorewall.html">Debian
|
||||
would like a .deb package, Shorewall is included in both the <a href="http://packages.debian.org/testing/net/shorewall.html">Debian
|
||||
Testing Branch</a> and the <a href="http://packages.debian.org/unstable/net/shorewall.html">Debian
|
||||
Unstable Branch</a>.</li>
|
||||
<li>Otherwise, download the <i>shorewall</i> module (.tgz)</li>
|
||||
</ul>
|
||||
|
||||
<p>You will probably also want to download the HTML version of the
|
||||
documentation for easy reference.</p>
|
||||
|
||||
<p>Beginning with Shorewall 2.2.0, you will find a file named
|
||||
known_problems.txt in the download directory. This file lists the known
|
||||
problems with that version of Shorewall. If corrections are available,
|
||||
they will be listed in the known problems and you can download them
|
||||
from the 'errata' subdirectory.<br>
|
||||
</p>
|
||||
|
||||
<p>Example:<br>
|
||||
</p>
|
||||
|
||||
<p style="margin-left: 40px;"><span style="font-family: monospace;">ftp>
|
||||
cd
|
||||
pub/shorewall/2.2/shorewall-2.2.0</span><br
|
||||
style="font-family: monospace;">
|
||||
pub/shorewall/2.2/shorewall-2.2.0</span><br style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">250 OK. Current directory is
|
||||
/pub/shorewall/2.2/shorewall-2.2.0</span><br
|
||||
style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">ftp> ls</span><span
|
||||
style="font-family: monospace;"></span><br
|
||||
style="font-family: monospace;">
|
||||
/pub/shorewall/2.2/shorewall-2.2.0</span><br style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">ftp> ls</span><span style="font-family: monospace;"></span><br style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">227 Entering Passive Mode
|
||||
(206,124,146,177,35,91)</span><br style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">150 Accepted data connection</span><br
|
||||
style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">150 Accepted data connection</span><br style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">drwxr-sr-x 3
|
||||
0
|
||||
0
|
||||
@ -147,9 +139,7 @@ errata
|
||||
<span style="font-family: monospace; color: rgb(204, 0, 0);">-rw-r--r--
|
||||
1 0
|
||||
0
|
||||
156 Feb 1 09:52 known_problems.txt <=== (2)</span><span
|
||||
style="font-family: monospace;"></span><br
|
||||
style="font-family: monospace;">
|
||||
156 Feb 1 09:52 known_problems.txt <=== (2)</span><span style="font-family: monospace;"></span><br style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">-rw-r--r-- 1
|
||||
0
|
||||
0 16059 Jan
|
||||
@ -161,8 +151,7 @@ errata
|
||||
<span style="font-family: monospace;">-rw-r--r-- 1
|
||||
0
|
||||
0 100232 Jan 25
|
||||
15:58 shorewall-2.2.0-1.noarch.rpm</span><br
|
||||
style="font-family: monospace;">
|
||||
15:58 shorewall-2.2.0-1.noarch.rpm</span><br style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">-rw-r--r-- 1
|
||||
0
|
||||
0 122161 Jan 25
|
||||
@ -178,25 +167,24 @@ shorewall-docs-xml-2.2.0.tgz</span><br style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">-rw-r--r-- 1
|
||||
0
|
||||
0 93905 Jan
|
||||
25 15:58 shorewall-lrp-2.2.0.tgz</span><br
|
||||
style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">226-Options: -a -l</span><br
|
||||
style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">226 13 matches total</span><br
|
||||
style="font-family: monospace;">
|
||||
25 15:58 shorewall-lrp-2.2.0.tgz</span><br style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">226-Options: -a -l</span><br style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">226 13 matches total</span><br style="font-family: monospace;">
|
||||
<span style="font-family: monospace;">ftp><br>
|
||||
</span></p>
|
||||
<p style="margin-left: 40px;"><span style="font-family: monospace;"><span
|
||||
style="color: rgb(204, 0, 0);">(1) Directory containing updates. The
|
||||
|
||||
<p style="margin-left: 40px;"><span style="font-family: monospace;"><span style="color: rgb(204, 0, 0);">(1) Directory containing updates. The
|
||||
updates/LRP directory contains those updates that apply to the LRP
|
||||
package.</span><br style="color: rgb(204, 0, 0);">
|
||||
<span style="color: rgb(204, 0, 0);">(2) List of known problems,
|
||||
workarounds and updates.. </span>
|
||||
</span><br>
|
||||
</p>
|
||||
<p><b></b></p>
|
||||
|
||||
|
||||
<p><b>Download Sites:<br>
|
||||
</b></p>
|
||||
|
||||
<div style="margin-left: 40px;"><span style="font-weight: bold;">Redhat</span>
|
||||
and <span style="font-weight: bold;">Fedora</span> RPMS provided by
|
||||
Simon Matter: <a href="http://www.invoca.ch/pub/packages/shorewall/">http://www.invoca.ch/pub/packages/shorewall/</a><br>
|
||||
@ -205,18 +193,14 @@ Simon Matter: <a href="http://www.invoca.ch/pub/packages/shorewall/">http://www.
|
||||
Coates: <a href="http://www.monkeynoodle.org/comp/net/shorewall/">http://www.monkeynoodle.org/comp/net/shorewall/</a><br>
|
||||
<br>
|
||||
<span style="font-weight: bold;">OpenWRT</span> package provided by
|
||||
Marc Zonzon: <a
|
||||
href="http://www.iut-lannion.fr/ZONZON/memos_index.php?part=Network&section=WRTMemo&subsec=shorewall">http://www.iut-lannion.fr/ZONZON/memos_index.php?part=Network&section=WRTMemo&subsec=shorewall</a><br>
|
||||
Marc Zonzon: <a href="http://www.iut-lannion.fr/ZONZON/memos_index.php?part=Network&section=WRTMemo&subsec=shorewall">http://www.iut-lannion.fr/ZONZON/memos_index.php?part=Network&section=WRTMemo&subsec=shorewall</a><br>
|
||||
<br>
|
||||
Use the sites below to download the<span style="font-weight: bold;">
|
||||
tarball</span>, the <span style="font-weight: bold;">documentation</span>,
|
||||
the<span style="font-weight: bold;"> Leaf/Bering</span> package and the
|
||||
<span style="font-weight: bold;">standard RPM</span> for (<span
|
||||
style="font-weight: bold;">Suse</span>, <span
|
||||
style="font-weight: bold;">Power PPC</span>, <span
|
||||
style="font-weight: bold;">Trustix</span> and <span
|
||||
style="font-weight: bold;">TurboLinux</span>).<br>
|
||||
<span style="font-weight: bold;">standard RPM</span> for (<span style="font-weight: bold;">Suse</span>, <span style="font-weight: bold;">Power PPC</span>, <span style="font-weight: bold;">Trustix</span> and <span style="font-weight: bold;">TurboLinux</span>).<br>
|
||||
</div>
|
||||
|
||||
<blockquote>
|
||||
<table style="border-collapse: collapse;" border="2" cellpadding="2">
|
||||
<tbody>
|
||||
@ -230,24 +214,20 @@ the<span style="font-weight: bold;"> Leaf/Bering</span> package and the
|
||||
<td>Slovak Republic</td>
|
||||
<td>Shorewall.net</td>
|
||||
<td><a href="http://slovakia.shorewall.net/pub/shorewall/">Browse</a></td>
|
||||
<td> <a target="_blank"
|
||||
href="ftp://slovakia.shorewall.net/mirror/shorewall/">Browse</a></td>
|
||||
<td> <a target="_blank" href="ftp://slovakia.shorewall.net/mirror/shorewall/">Browse</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td style="vertical-align: top;">San Jose, California, USA</td>
|
||||
<td style="vertical-align: top;">Shorewall.net</td>
|
||||
<td style="vertical-align: top;"><a
|
||||
href="http://www.shorewall.net/pub/shorewall/">Browse</a></td>
|
||||
<td style="vertical-align: top;"><a
|
||||
href="ftp://ftp.shorewall.net/pub/shorewall/" target="_blank">Browse</a></td>
|
||||
<td style="vertical-align: top;"><a href="http://www.shorewall.net/pub/shorewall/">Browse</a></td>
|
||||
<td style="vertical-align: top;"><a href="ftp://ftp.shorewall.net/pub/shorewall/" target="_blank">Browse</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td style="vertical-align: top;">Boston, Mass., USA<br>
|
||||
</td>
|
||||
<td style="vertical-align: top;">viisage.com<br>
|
||||
</td>
|
||||
<td style="vertical-align: top;"><a
|
||||
href="http://shorewall.viisage.com/pub/shorewall">Browse</a><br>
|
||||
<td style="vertical-align: top;"><a href="http://shorewall.viisage.com/pub/shorewall">Browse</a><br>
|
||||
</td>
|
||||
<td style="vertical-align: top;">N/A<br>
|
||||
</td>
|
||||
@ -257,38 +237,32 @@ the<span style="font-weight: bold;"> Leaf/Bering</span> package and the
|
||||
</td>
|
||||
<td style="vertical-align: top;">shorewall.net<br>
|
||||
</td>
|
||||
<td style="vertical-align: top;"><a target="_top"
|
||||
href="http://slovak.ece.utexas.edu/mirrors/shorewall/">Browse</a><br>
|
||||
<td style="vertical-align: top;"><a target="_top" href="http://slovak.ece.utexas.edu/mirrors/shorewall/">Browse</a><br>
|
||||
</td>
|
||||
<td style="vertical-align: top;"><a target="_top"
|
||||
href="ftp://slovak.ece.utexas.edu/shorewall/">Browse</a><br>
|
||||
<td style="vertical-align: top;"><a target="_top" href="ftp://slovak.ece.utexas.edu/shorewall/">Browse</a><br>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>Plano Texas, USA</td>
|
||||
<td>Infohiiway.com</td>
|
||||
<td><a href="http://shorewall.infohiiway.com/pub/shorewall">Browse</a></td>
|
||||
<td><a target="_blank"
|
||||
href="ftp://ftp.infohiiway.com/pub/shorewall/">Browse<br>
|
||||
<td><a target="_blank" href="ftp://ftp.infohiiway.com/pub/shorewall/">Browse<br>
|
||||
</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>France</td>
|
||||
<td>Shorewall.net</td>
|
||||
<td><a href="http://france.shorewall.net/pub/shorewall">Browse</a></td>
|
||||
<td> <a target="_blank"
|
||||
href="ftp://france.shorewall.net/pub/mirrors/shorewall/">Browse</a></td>
|
||||
<td> <a target="_blank" href="ftp://france.shorewall.net/pub/mirrors/shorewall/">Browse</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td valign="top">Taiwan<br>
|
||||
</td>
|
||||
<td valign="top">Greshko.com<br>
|
||||
</td>
|
||||
<td valign="top"><a
|
||||
href="http://shorewall.greshko.com/pub/shorewall/">Browse<br>
|
||||
<td valign="top"><a href="http://shorewall.greshko.com/pub/shorewall/">Browse<br>
|
||||
</a></td>
|
||||
<td valign="top"><a
|
||||
href="ftp://shorewall.greshko.com/pub/shorewall/" target="_top">Browse</a><br>
|
||||
<td valign="top"><a href="ftp://shorewall.greshko.com/pub/shorewall/" target="_top">Browse</a><br>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
@ -296,11 +270,9 @@ the<span style="font-weight: bold;"> Leaf/Bering</span> package and the
|
||||
</td>
|
||||
<td valign="top">Shorewall.net<br>
|
||||
</td>
|
||||
<td valign="top"><a
|
||||
href="http://argentina.shorewall.net/pub/shorewall/shorewall">Browse</a><br>
|
||||
<td valign="top"><a href="http://argentina.shorewall.net/pub/shorewall/shorewall">Browse</a><br>
|
||||
</td>
|
||||
<td valign="top"><a href="ftp://ftp.syachile.cl/pub/shorewall"
|
||||
target="_top">Browse</a><br>
|
||||
<td valign="top"><a href="ftp://ftp.syachile.cl/pub/shorewall" target="_top">Browse</a><br>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
@ -308,8 +280,7 @@ the<span style="font-weight: bold;"> Leaf/Bering</span> package and the
|
||||
</td>
|
||||
<td valign="top">securityopensource.org.br<br>
|
||||
</td>
|
||||
<td valign="top"><a
|
||||
href="http://shorewall.securityopensource.org.br/pub/">Browse</a><br>
|
||||
<td valign="top"><a href="http://shorewall.securityopensource.org.br/pub/">Browse</a><br>
|
||||
</td>
|
||||
<td valign="top">N/A<br>
|
||||
</td>
|
||||
@ -329,27 +300,25 @@ the<span style="font-weight: bold;"> Leaf/Bering</span> package and the
|
||||
</td>
|
||||
<td style="vertical-align: top;">Shorewall.net<br>
|
||||
</td>
|
||||
<td style="vertical-align: top;"><a
|
||||
href="http://shorewall.net/pub/shorewall/">Browse<br>
|
||||
<td style="vertical-align: top;"><a href="http://shorewall.net/pub/shorewall/">Browse<br>
|
||||
</a></td>
|
||||
<td style="vertical-align: top;"><a
|
||||
href="ftp://shorewall.net/pub/shorewall/" target="_top">Browse<br>
|
||||
<td style="vertical-align: top;"><a href="ftp://shorewall.net/pub/shorewall/" target="_top">Browse<br>
|
||||
</a></td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
</blockquote>
|
||||
|
||||
<p align="left"><b>CVS:</b></p>
|
||||
|
||||
<blockquote>
|
||||
<p align="left">The <a target="_top"
|
||||
href="http://cvs.shorewall.net/Shorewall_CVS_Access.html">CVS
|
||||
<p align="left">The <a target="_top" href="http://cvs.sourceforge.net/viewcvs.py/shorewall">CVS
|
||||
repository at cvs.shorewall.net</a> contains the latest snapshots of
|
||||
the each Shorewall component. There's no guarantee that what you find
|
||||
there will work at all.<br>
|
||||
</p>
|
||||
<p align="left">The CVS repository also can be used to retreive the
|
||||
latest released versions. <a
|
||||
href="http://shorewall.net/pub/shorewall/contrib/makeshorewall.sh">Here
|
||||
latest released versions. <a href="http://cvs.sourceforge.net/viewcvs.py/shorewall/tools/build/makeshorewall">Here
|
||||
is a
|
||||
shell script</a> that allows you to generate Shorewall packages from
|
||||
the current
|
||||
@ -357,5 +326,5 @@ contents of the CVS repository (it is the same script that I use to
|
||||
build Shorewall releases).<br>
|
||||
</p>
|
||||
</blockquote>
|
||||
</body>
|
||||
</html>
|
||||
|
||||
</body></html>
|
Loading…
Reference in New Issue
Block a user