On 01/11/2018 12:23, André Warnier (tomcat) wrote: > On 01.11.2018 12:35, Madhur Khurana wrote: >> Hi, >> >> I am using tomcat8 and would like to configure ip address with subnet >> in RemoteAddrValve for IP whitelisting (Example: 0.0.0.0/0). Can >> anyone help in how to configure subnet in allow field. >> > > The page at > http://tomcat.apache.org/tomcat-8.5-doc/config/valve.html#Remote_Address_Valve > looks pretty easy to understand.
https://tomcat.apache.org/tomcat-8.5-doc/config/valve.html#Remote_CIDR_Valve might be a better match for what the OP is looking for. Mark > > Example 1 provides the syntax you are looking for. > > By combining "allow" and "deny" attributes with the appropriate regular > expressions, you can allow or deny access (aka whitelist or blacklist) > from any range of client IP addresses. > Without a precise indication of which IP addresses/subnets you want to > "whitelist", there is not much else anyone here can tell you. > > Is it (a) the "regular expression" part that you are having problems > with, or (b) the IP address format, or (c) the definition of a "subnet", > or .. ? > > For (a), see for example : > http://www.vogella.com/tutorials/JavaRegularExpressions/article.html > For (b) and (c), start perhaps here : > https://en.wikipedia.org/wiki/Subnetwork > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
