Yes! if you run it as root. The buffer overflow can give people root
But not if it isn't running as some silly user with no priv.
Filip Hanik wrote:
>
> >ftp shouldn't be a problem if you run it as a demon
>
> FTP (wu-ftpd) on RedHat 6.2 is one of the big security flaws on RedHat
> Linux.
> just a warning,
>
> Filip
>
> ~
> Namaste - I bow to the divine in you.
> ~
> Filip Hanik
> Technical Architect
> [EMAIL PROTECTED]
>
> ----- Original Message -----
> From: "dferugson" <[EMAIL PROTECTED]>
> To: "jBoss Developer" <[EMAIL PROTECTED]>
> Sent: Monday, January 22, 2001 3:06 PM
> Subject: Re: [jBoss-Dev] securing your servers
>
> ftp shouldn't be a problem if you run it as a demon with a user that has
> limited privileges
> I run proftpd with a user ftp who only has access to his home dir.
>
> I also turn telnet off completely and I use ssh.
> You can also put ssh on port 9999 which doesn't show up on some port
> scanners.
>
> I just use nmap to make sure I don't have any ports open except what i
> need.
>
> ssh, httpd, ftp
> marc fleury wrote:
> >
> > |Another nice idea is to substitute telnet and ftp with some service that
> > |sents an alarm message to you. Perhaps you could also just make them
> > |look the same as telnet and ftp but let them collect every single
> > |keystroke (some sort of "honeypot") :-).
> >
> > fancy... but I can't write C for shit... :)
> >
> > do these exist out of the box???
> >
> > marc
> >
> > |
> > |Links:
> > |http://www.openwall.com/scanlogd/
> > |http://packetstorm.securify.com/linux/security/
> > |http://www.psionic.com/abacus/portsentry/
> > |http://sdetect.sourceforge.net/
> > |
> > |Tobias
> > |
> > |
> > |marc fleury wrote:
> > |>
> > |> yes, my home machine was hacked as well and then my provider machine
> from
> > |> there hence jboss down.
> > |>
> > |> It also proves "dreamhost" detected the intrusion (as I did) but
> > |wasn't able
> > |> to do anything to prevent it or repair it. :(
> > |>
> > |> I had to reinstall linux as well. It seems the first script kiddies
> were
> > |> good and just "parasited" the machine but didn't damage it (and
> > |I don't mind
> > |> some parasites, all trees have them). But then a "sloppy" script
> > |kiddy came
> > |> along and boom.
> > |>
> > |> So being badly raped when I was a "security newbie" I decided to
> > |look at it
> > |> in detail.
> > |>
> > |> Fascinating, had a great time, didn't sleep much last week :)
> > |>
> > |> essentially I disable EVERYTHING (telnet, ftp), I use xinetd
> > |which is more
> > |> secure than inetd and then I turn off all the services in xinetd
> > |but pop3s a
> > |> secure pop version on ssl. ssh is the only way to get in (telneat
> really
> > |> good on windows) Of course I do all the installation off line.
> > |And then I
> > |> put "tripwire" to monitor the main directories turn it on, once
> > |it is on I
> > |> put the machine online.
> > |>
> > |> then I downloaded a rootkit and diagnosed my own machine for attacks :)
> > |> fascinating.
> > |>
> > |> so much fun. Anyone knows of a good "scan detector"?
> > |>
> > |> marc
> > |>
> > |> |-----Original Message-----
> > |> |From: [EMAIL PROTECTED]
> > |> |[mailto:[EMAIL PROTECTED]]On Behalf Of Filip Hanik
> > |> |Sent: Monday, January 22, 2001 10:22 AM
> > |> |To: jBoss Developer
> > |> |Subject: [jBoss-Dev] securing your servers
> > |> |
> > |> |
> > |> |Just wanted to let everybody that run RedHat at home (maybe
> > |even the JBoss
> > |> |servers?)
> > |> |I got hit by the Ramen Noodle worm on my server at home (I
> > |forgot to turn
> > |> |off some inetd services - in this case the print service) and my
> > |> |machine got
> > |> |rooted.
> > |> |This means, I have to reinstall my machine from scratch, so be
> > |careful all
> > |> |of you who run Linux (especially redhat).
> > |> |If you run FreeBSD your safe!! :)
> > |> |
> > |> |take a look at the article
> > |>
> |http://news.cnet.com/news/0-1003-200-4508359.html?tag=st.ne.1430735..ni
> > |> |
> > |> |Filip
> > |> |
> > |> |~
> > |> |Namaste - I bow to the divine in you.
> > |> |~
> > |> |Filip Hanik
> > |> |Technical Architect
> > |> |[EMAIL PROTECTED]
> > |> |
> > |> |----- Original Message -----
> > |> |From: "marc fleury" <[EMAIL PROTECTED]>
> > |> |To: "jBoss Developer" <[EMAIL PROTECTED]>
> > |> |Sent: Monday, January 22, 2001 9:55 AM
> > |> |Subject: RE: [jBoss-Dev] jndi/UserTransaction
> > |> |
> > |> |
> > |> |Hello,
> > |> |
> > |> |sorry for the delay I am finally out of the water re website
> > |(well almost).
> > |> |
> > |> |I am very interested in a integration of
> > |> |a/new TM or extended TM
> > |> |b/ Jeremie from France Telecom... it is the new JOnAS TM and I
> > |believe we
> > |> |can buy ourselves distributed TM with it.
> > |> |
> > |> |let me know if you time/energy/will to take that on. To be quite
> > |> |frank I am
> > |> |thinking b/ first then talk to ole on possibilities for a/,
> > |> |
> > |> |marc
> > |> |
> > |> |
> > |> ||-----Original Message-----
> > |> ||From: [EMAIL PROTECTED]
> > |> ||[mailto:[EMAIL PROTECTED]]On Behalf Of Sethi , Manish
> > |> ||Sent: Sunday, January 14, 2001 7:51 AM
> > |> ||To: 'jBoss Developer '
> > |> ||Subject: RE: [jBoss-Dev] jndi/UserTransaction
> > |> ||
> > |> ||
> > |> ||Hi Everybody,
> > |> ||
> > |> ||Writing very first mail to the group.
> > |> ||
> > |> ||I have gone through present implementation og JTA. I want to
> > |help in it's
> > |> ||development. Now what I want to know is what should we choose out of
> > |> ||followings for this job.
> > |> ||
> > |> ||1. Should we implement JTS/OTS specs at the back. (Probably we
> > |> ||would have to
> > |> ||start form scrach...)
> > |> ||
> > |> ||OR
> > |> ||
> > |> ||2. Should we think of some mechanism of just making TXContext
> > |> ||movable around
> > |> ||the multiple JVM...
> > |> ||
> > |> ||
> > |> ||-Manish
> > |> ||
> > |> ||
> > |> ||-----Original Message-----
> > |> ||From: marc fleury
> > |> ||To: jBoss Developer
> > |> ||Sent: 1/12/01 10:34 AM
> > |> ||Subject: RE: [jBoss-Dev] jndi/UserTransaction
> > |> ||
> > |> |||Is there a known historical fix for this, such as substituting a
> > |> ||different
> > |> |||JTA implementation or JNDI implementation? That is, has
> > |someone already
> > |> ||
> > |> ||hi,
> > |> ||
> > |> ||the jndi implementation is an orthogonal issue. We need to plug in a
> > |> ||distributed monitor (JTS/JTA) and hook it up to jndi. The plumbing
> > |> ||(propagation, thread association) is already there as it is an
> > |> ||adaptation of
> > |> ||the old jboss1.0 code.
> > |> ||
> > |> ||For the record, jboss1.0 used JOnAS distributed TM to provide
> > |> ||distributed
> > |> ||transactions. We deliberately removed it from 2.0 to provide
> > |fast in VM
> > |> ||tm.
> > |> ||
> > |> ||Plugging a new TM is what is needed.
> > |> ||
> > |> ||marc
> > |> ||
> > |> ||
> > |> |||provided this functionality in the past and able to offer
> suggestions?
> > |> |||Distributed JTA and UserTransaction access by remote clients
> > |> |||through JNDI is
> > |> |||spec-required.
> > |> |||
> > |> |||Sean
> > |> |||
> > |> |||on 1/11/01 11:17 PM, marc fleury at [EMAIL PROTECTED] wrote:
> > |> |||
> > |> |||> userTransaction is for beans right now. I.e visible in JNDI
> > |of beans,
> > |> ||but
> > |> |||> NOT the globla JNDI.
> > |> |||>
> > |> |||> marc
> > |> |||>
> > |> |||>
> > |> |||> |-----Original Message-----
> > |> |||> |From: [EMAIL PROTECTED]
> > |> |||> |[mailto:[EMAIL PROTECTED]]On Behalf Of Scott M
> Stark
> > |> |||> |Sent: Wednesday, January 10, 2001 8:08 PM
> > |> |||> |To: jBoss Developer
> > |> |||> |Subject: Re: [jBoss-Dev] jndi/UserTransaction
> > |> |||> |
> > |> |||> |
> > |> |||> |Can't you just access it via the context.getUserTransaction()
> > |> ||method?
> > |> |||> |It is bound under java:comp/UserTransaction, but this is only
> > |> ||available
> > |> |||> |from within the EJB while the container is executing a method.
> Its
> > |> |||> |not visable vie jndiView.
> > |> |||> |
> > |> |||> |
> > |> |||> |----- Original Message -----
> > |> |||> |From: "Peter Braswell" <[EMAIL PROTECTED]>
> > |> |||> |To: "jBoss Developer" <[EMAIL PROTECTED]>
> > |> |||> |Sent: Wednesday, January 10, 2001 7:20 PM
> > |> |||> |Subject: [jBoss-Dev] jndi/UserTransaction
> > |> |||> |
> > |> |||> |
> > |> |||> |> All,
> > |> |||> |>
> > |> |||> |> I don't see (jndiView) where the a UserTransaction is
> > |> |||> |> bound. I didn't find in the mail archives or docs
> > |> |||> |> anything indicating how this gets bound...
> > |> |||> |>
> > |> |||> |> Any hints?
> > |> |||> |>
> > |> |||> |> peter
> > |> |||> |>
> > |
>
> --
> Doug Ferguson
> Software Developer
> www.coremetrics.com
> 512-342-2623x212
> 512-619-9972(cell)
--
Doug Ferguson
Software Developer
www.coremetrics.com
512-342-2623x212
512-619-9972(cell)