similar to: Failed attempts

Pete Biggs wrote: > On Mon, 2017-11-27 at 12:10 -0500, Jerry Geis wrote: >> hi All, >> >> I happened to login to one of my servers today and saw 96000 failed >> login attempts. shown below is the address its coming from. I added it to my >> firewall to drop. >> >> Failed password for root from 123.183.209.135 port 14299 ssh2 >> >> FYI -

And if you're really security conscious consider using port knocking (knock server - amazingly easy to set up. Or use fwknop, a little more difficult to set up but not much. Finally, for the hard core who really like pain - write the iptables rules yourself). ----- Original Message ----- From: "Pete Biggs" <pete at biggs.org.uk> To: "centos" <centos at

On Mon, 2017-11-27 at 12:10 -0500, Jerry Geis wrote: > hi All, > > I happened to login to one of my servers today and saw 96000 failed login > attempts. shown below is the address its coming from. I added it to my > firewall to drop. > > Failed password for root from 123.183.209.135 port 14299 ssh2 > > FYI - others might be seeing it also. > As others have said,

On 11/27/2017 12:10 PM, Jerry Geis wrote: > hi All, > > I happened to login to one of my servers today and saw 96000 failed login > attempts. shown below is the address its coming from. I added it to my > firewall to drop. > > Failed password for root from 123.183.209.135 port 14299 ssh2 > > FYI - others might be seeing it also. > You're going to see this probably

This should be easy to answer (I hope).? We routinely kickstart boxes to use for managing our customers RADIUS/DHCP configurations (along with other things).? We've had a C7 kickstart in place since I built one in May and are finally starting to roll it out for new installations.? But, I'm curious as to what ksdevice= actually does. With the C6 we routinely used ksdevice=eth0 since we

I can't seem to find anything clear on this, but is the C7 version of BIND 9.9 built with Request Rate Limiting? -- Mark Haney Network Engineer at NeoNova 919-460-3330 option 1 mark.haney at neonova.net www.neonova.net

I know this is for CentOS stuff, but I'm at a loss on how to build a script that does what I need it to do.? It's probably really logically simple, I'm just not seeing it.? Hopefully someone will take pity on me and at least give me a big hint. I have a file with two columns 'email' and 'total' like this: me at example.com 20 me at example.com 40 you at domain.com

On 10/25/2017 12:33 PM, Robert Arkiletian wrote: > here is a python solution > #!/usr/bin/python > #python 2 (did not check if it works) > f=open('yourfilename') > D={} > for line in f: > email,num = line.split() > if email in D: > D[email] = D[email] + num > else: > D[email] = num > f.close() > for key in D: >

Hi all, I've got an issue with C6's dhcpd custom logging that I cannot figure out. Hopefully someone has an idea, or has seen a similar issue. We have dhcpd logging to /var/log/messages a custom header (DHCPUSER:) with MAC, IP and Circuit-ID. I'll not bore you with the guts, so here's the beginning of that line in dhcpd.conf: if exists agent.circuit-id { log (info,

On 11/01/2017 01:57 PM, Tristan Hoar wrote: > > Strictly speaking it is depricated > https://anaconda-installer.readthedocs.io/en/latest/boot-options.html#d > eprecated-options > > Regards, > > Tris > Okay, so it looks like I can simply change ksdevice=eth0? to bootdev=eth0, correct? -- Mark Haney Network Engineer at NeoNova 919-460-3330 option 1 mark.haney at

On 11/01/2017 03:25 PM, Chris Adams wrote: > Once upon a time, Mark Haney <mark.haney at neonova.net> said: >> Okay, so it looks like I can simply change ksdevice=eth0? to >> bootdev=eth0, correct? > I believe you can just leave both off (IIRC for CentOS 6 as well) if you > add "ipappend 2" to the pxelinux stanza. > I probably should have clarified that

I have a couple of in use C7 boxes that were built with ntsysv and chkconfig for some old packages that needed to start using init.d. (The person setting these up didn't know about systemd creating service files for older packages, so we're stuck with these as-is. Here's my problem: Error unpacking rpm package chkconfig-1.7.2-1.el7.x86_64 error: unpacking of archive failed on

This might be a bit OT, but I've never had to do this before and what I've googled doesn't seem to be working. I have an ansible playbook that I'm working on that I want to run as a cronjob.? One task I'm having trouble with is where I have a text file with lines like: rd.pl "blah blah" rd.pl "blah blah blah" This text file has to be 'executed'

Warren Young wrote: > On Oct 25, 2017, at 10:02 AM, Mark Haney <mark.haney at neonova.net> wrote: >> >> I have a file with two columns 'email' and 'total' like this: >> >> me at example.com 20 >> me at example.com 40 >> you at domain.com 100 >> you at domain.com 30 >> >> I need to get the total number of messages for

Hi, is there anything that speaks against putting a cyrus mail spool onto a btrfs subvolume?

To be honest, I'd not try a btrfs volume on a notebook SSD. I did that on a couple of systems and it corrupted pretty quickly. I'd stick with xfs/ext4 if you manage to get the drive working again. <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon> Virus-free. www.avast.com

This might be OT, but it is CentOS related.? I've been running Ansible on C7 for a handful of months now, and updated to 2.4 as soon as it was available. I've been building inventories by hand in that time (mostly due to the fact we had no actual documentation on the managed external customer servers). However, as we have a multiple VMware clusters, thought it might be time to tinker

We have a couple of CentOS 7 boxes that were built before I was hired to clean up the kickstart script used for C7 boxes. We had a couple of rpm packages that were pre-C7 that were used and setup the old SysV Init way using ntsysv and chkconfig on these boxes. (I finally fixed that in the newer scripts.) These are out in the field and I'm having to deal with them as they are. One thing

Hi, Does anyone know of a good program for doing RDP to windows servers on C-7? The "Remote desktop viewer" program that comes with C7 is not reliable for me. I frequently have multiple long running RDP sessions and the keyboard will stop responding. The only way I can find to get it started again is to restart the program and login to the servers again. In addition, I cannot find a

I'm under a bit of a crunch here, so any immediate help would be appreciated. We kickstart our customer boxes and have started migrating to CentOS 7. We're running Radiator 4.6 1 (I know, but bear with me) and we just deployed our first radius box to a customer to be turned up today. (I know, I know. I had no idea it wasn't being tested sooner than this.) I was brought in