Date: Mon, 17 Jul 2017 10:34:10 +0530 From: Kulamani Sethi <kulamani.sethi@gmail.com> To: Ian Smith <smithi@nimnet.asn.au> Cc: freebsd-questions@freebsd.org, freebsd-ipfw@freebsd.org Subject: Re: Unable to set rule using service name Message-ID: <CAC9ZwGYKxRMJ%2BK1igQLBN0xVnUyPyMMaHbt0NoQeRg=ocAUf5Q@mail.gmail.com> In-Reply-To: <20170715024608.T92704@sola.nimnet.asn.au> References: <CAC9ZwGaXeZJrCpPu44%2B9kUmGwgWp8MRaaPjqo5Bs-BmZBkTmbQ@mail.gmail.com> <20170715024608.T92704@sola.nimnet.asn.au>
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Hi Lan, Thanks for your response! Yes, it is a placeholders. Here is exact real example of service URL. However it is a Intranet service, you may not access. service URL1: https://vwddgdptv001.corp.intranet/RISC_1/GDPLogin.aspx service URL2: https://vwddgdptv001.corp.intranet/GDPT_1/GDPLogin.aspx Note: RISC_1 and GDPT_1 both are two different service running over a common server. I want to set some deny rule over RISC_1 only. *With best Regards,* Kulamani Sethi, Bangalore, India Mob: 9686190111 On Fri, Jul 14, 2017 at 10:31 PM, Ian Smith <smithi@nimnet.asn.au> wrote: > On Fri, 14 Jul 2017 16:43:56 +0530, Kulamani Sethi wrote: > > Hi, > > I want to set a rule for a particular service URL which running on a > remote > > server. > > I know the IP but don't know the port number where that service is > running. > > If i set rule for IP then it will applied for entire services running > over > > there. > > > > There is a option in IPFW rule we can set either port number or name, > but > > it does not accepting using name. Here is a example for my case. > > > > suppose URL for test1 service http://x.x.x.x/test1 > > URL for test2 service http://x.x.x.x/test2 > > > > I tried a rule, "ipfw add 104 deny log ip from x.x.x.x test1 to any". > Got > > error "ipfw: missing "to'' ". > > *I want to set rule for test1 where I have no idea about port.* > > *Also please help me how to know port number if any way is there.* > > RW well described (in freebsd-questions@) the relationship between port > numbers and service names in /etc/services; assuming you know the name, > that gives you the number. Are 'test1' and 'test2' real examples, or > placeholders for real service names? > > In any case, you cannot specify a port number in a rule with proto 'ip'; > when specifying port/s you need to specify 'udp' or 'tcp' protocol. > > Can you give an example of the actual packets (protocol, port number/s) > that you want to block? > > cheers, Ian >
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