From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from goalie.tycho.ncsc.mil (goalie [144.51.3.250]) by tarius.tycho.ncsc.mil (8.13.1/8.13.1) with ESMTP id o71Gi34q016995 for ; Sun, 1 Aug 2010 12:44:03 -0400 Received: from mail-ey0-f181.google.com (localhost [127.0.0.1]) by msux-gh1-uea01.nsa.gov (8.12.10/8.12.10) with ESMTP id o71Ghwoe005484 for ; Sun, 1 Aug 2010 16:43:59 GMT Received: by eydd26 with SMTP id d26so1321426eyd.12 for ; Sun, 01 Aug 2010 09:44:01 -0700 (PDT) Message-ID: <4C55A44F.4030803@gmail.com> Date: Sun, 01 Aug 2010 18:43:59 +0200 From: Dominick Grift MIME-Version: 1.0 To: "'selinux@tycho.nsa.gov'" Subject: Re: semanage References: <4C4F77D6.1080700@chipblach.net> <4C559624.6040709@gmail.com> <4C559A84.4060004@gmail.com> <4C559F31.4070404@gmail.com> <4C55A265.6090606@gmail.com> <4C55A3B2.8020207@gmail.com> In-Reply-To: <4C55A3B2.8020207@gmail.com> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigEA87725F863A6ECC6629CC06" Sender: owner-selinux@tycho.nsa.gov List-Id: selinux@tycho.nsa.gov This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigEA87725F863A6ECC6629CC06 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 08/01/2010 06:41 PM, Dominick Grift wrote: > On 08/01/2010 06:35 PM, Dominick Grift wrote: >> On 08/01/2010 06:22 PM, Ralph Blach wrote: >>> To be specific, I want to run sshd on port 443, and not port 22, beca= use >>> of all the hackers probe port 22. >>> >>> port 443 looks like httpd traffic and therefore is not really supicio= us. >>> >>> That is what I need to achieve so i need to modify the corenetwork >>> module to do this. >>> >>> How is this done and where is the source for the core network module?= >> >> Try this: >> >> mkdir ~/mysshd; cd ~/mysshd; >> >> cat <mysshd.te >> policy_module(mysshd, 1.0.0) >> gen_require(` >> type shorewall_t; And this needs to be .. type sshd_t; =2E. instead >> ') >> corenet_tcp_bind_http_ports(sshd_t) >> D_G >> >> That custom policy module should allow sshd to bind tcp sockets to htt= p >> ports (including tcp:443) >=20 > Ofcourse you also have to build and install the custom module: >=20 > ( below is how that is done in Fedora (RHEL5 requires that you also > install selinux-policy-devel to build a module) >=20 > make -f /usr/share/selinux/devel/Makefile mysshd.pp > sudo semodule -i mysshd.pp >=20 >=20 >> >> You can find source policy in the source package for your policy. >> >> Here is the policy browser from upstream: >> http://oss.tresys.com/projects/refpolicy/browser >> >> >>> Thanks >>> >>> Chip >>> >>> >>> >>> On 08/01/2010 12:02 PM, Dominick Grift wrote: >>>> On 08/01/2010 05:43 PM, Ralph Blach wrote: >>>>> I have discovered that ports 443 and 22 are in module tcp. >>>>> >>>>> How do i rewrite module tcp so that I can configure as I want it. >>>>> >>>>> Where do I find module tcp? >>>>> >>>>> I did a semanage port -l | grep 22 and module tcp was listed. >>>>> I did the same for port 443 >>>>> >>>>> Thanks >>> >>>> ports are declared (defined) in the corenetwork module. This module = is >>>> part of the base module. modules that are part of the base module ar= e >>>> not listed with semodule -l. >>> >>>> What exactly do you want to achieve? If you are specific about your >>>> requirements we can try to help you implement it. >>> >>>>> Chip >>>>> >>>>> On 07/27/2010 08:29 PM, Jason Axelson wrote: >>>>>> On Tue, Jul 27, 2010 at 2:20 PM, Ralph Blach wrote: >>>>>>> how do I use semanage to list the policy modules. >>>>> >>>>>> Hi Chip, >>>>> >>>>>> Perhaps you are looking for "semodule -l"? That will list out all = the >>>>>> installed policy modules (besides base). >>>>> >>>>>> Jason >>>>> >>>>> >>> >>>> -- >>>> This message was distributed to subscribers of the selinux mailing l= ist. >>>> If you no longer wish to subscribe, send mail to majordomo@tycho.nsa= =2Egov >>>> with >>>> the words "unsubscribe selinux" without quotes as the message. >>> >>> >>> >> >=20 >=20 --------------enigEA87725F863A6ECC6629CC06 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/ iEYEARECAAYFAkxVpE8ACgkQMlxVo39jgT9YWgCfcZnENRboZ759br7HGpSYoZtw 0V8AoJQlt7Lav+wpnjKFPViKbQmtUseq =B+Qo -----END PGP SIGNATURE----- --------------enigEA87725F863A6ECC6629CC06-- -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@tycho.nsa.gov with the words "unsubscribe selinux" without quotes as the message.