diff --git a/src/fr/devinsy/logar/app/anonymizer/Anonymizer.java b/src/fr/devinsy/logar/app/anonymizer/Anonymizer.java
index 76e497d..52c08d2 100644
--- a/src/fr/devinsy/logar/app/anonymizer/Anonymizer.java
+++ b/src/fr/devinsy/logar/app/anonymizer/Anonymizer.java
@@ -119,6 +119,16 @@ public final class Anonymizer
                             // anon.getUser(), anon.getDatetime());
                             // logger.info("anon={}", anon);
 
+                            // System.out.println("\\\\\\" + line);
+                            // System.out.println("///" + anon.getLine());
+
+                            // String[] tokens = log.getUserAgent().split("[
+                            // ()\\[\\]/]");
+                            // for (String token : tokens)
+                            // {
+                            // out.println(token);
+                            // }
+
                             // Make a check.
                             if (StringUtils.equals(line, anon.getLine()))
                             {
@@ -158,7 +168,7 @@ public final class Anonymizer
     }
 
     /**
-     * Anonymize.
+     * Anonymize access.
      *
      * @param log
      *            the log
@@ -168,6 +178,42 @@ public final class Anonymizer
     {
         Log result;
 
+        result = new Log(log);
+
+        //
+        String anonIp = this.map.anonymizeIp(log.getIp());
+        result.setIp(anonIp);
+
+        //
+        String refererAnon = log.getReferer().replace(log.getIp(), result.getIp());
+        result.setReferer(refererAnon);
+
+        //
+        String anonUser = this.map.anonymizeUser(log.getUser());
+        result.setUser(anonUser);
+
+        //
+        String userAgentAnon = UserAgentGenerator.anonymize(log.getUserAgent());
+        result.setUserAgent(userAgentAnon);
+
+        //
+        result.concateAccessLog();
+
+        //
+        return result;
+    }
+
+    /**
+     * Anonymize.
+     *
+     * @param log
+     *            the log
+     * @return the log
+     */
+    public Log anonymizeAccessSimple(final Log log)
+    {
+        Log result;
+
         //
         String anonIp = this.map.anonymizeIp(log.getIp());
         String line = log.getLine().replace(log.getIp(), anonIp);
@@ -228,6 +274,24 @@ public final class Anonymizer
         return result;
     }
 
+    /**
+     * Anonymize user agent.
+     *
+     * @param log
+     *            the log
+     * @return the log
+     */
+    public String anonymizeUserAgent(final String userAgent)
+    {
+        String result;
+
+        //
+        result = StringUtils.replaceChars(userAgent, "()_-/@.0123456789", "");
+
+        //
+        return result;
+    }
+
     /**
      * Gets the map table.
      *
diff --git a/src/fr/devinsy/logar/app/anonymizer/UserAgentGenerator.java b/src/fr/devinsy/logar/app/anonymizer/UserAgentGenerator.java
new file mode 100644
index 0000000..08b5ffc
--- /dev/null
+++ b/src/fr/devinsy/logar/app/anonymizer/UserAgentGenerator.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2021 Christian Pierre MOMON <christian@momon.org>
+ * 
+ * This file is part of Logar, simple tool to manage http log files.
+ * 
+ * Logar is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * Logar is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Logar.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package fr.devinsy.logar.app.anonymizer;
+
+import org.apache.commons.lang3.RegExUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * The Class UserAgentGenerator.
+ */
+public final class UserAgentGenerator
+{
+    private static Logger logger = LoggerFactory.getLogger(UserAgentGenerator.class);
+
+    /**
+     * Instantiates a new user agent generator.
+     */
+    private UserAgentGenerator()
+    {
+    }
+
+    /**
+     * Shrink.
+     *
+     * @param source
+     *            the source
+     * @return the string
+     */
+    public static String anonymize(final String source)
+    {
+        String result;
+
+        if (source == null)
+        {
+            result = null;
+        }
+        else if (source.equals("-"))
+        {
+            result = source;
+        }
+        else
+        {
+            // StringBuffer buffer = new StringBuffer(source.length());
+            // String targets = "./[]_-0123456789";
+            // for (int index = 0; index < source.length(); index++)
+            // {
+            // char letter = source.charAt(index);
+            // if (!StringUtils.containsAny(targets, letter))
+            // {
+            // buffer.append(letter);
+            // }
+            // }
+            //
+            result = source;
+            result = RegExUtils.replaceAll(result, "https?://[^\\s\\)\\],;]+", "");
+            result = RegExUtils.replaceAll(result, "\\(\\)", "");
+            result = RegExUtils.replaceAll(result, "build [0-9a-zA-Z\\.-]+", "build");
+            result = RegExUtils.replaceAll(result, "\\d{4}/\\d{2}/\\d{2}", "");
+            result = RegExUtils.replaceAll(result, "(/|:)[~0-9a-zA-Z\\.-]+", "");
+            // result = StringUtils.replaceChars(result, ".[]_-0123456789", "");
+
+            result = StringUtils.rightPad(result, source.length());
+        }
+
+        //
+        return result;
+    }
+}