similar to: CentOS Digest, Vol 114, Issue 28

Thanks, Dropped the ICMP type 3 port. Now question to find the cause. On Wed, Jan 6, 2016 at 6:49 PM, Gordon Messmer <gordon.messmer at gmail.com> wrote: > On 01/06/2016 04:45 AM, Shital Sakhare wrote: > >> I have blocked icmp ports in iptables and if I execute the Ping manualy >> its >> blocking. >> > ... > >> How this can be controlled ? >>

Dear all, Does any one success to connect CentOS7 via xdmcp? I've tried, but not yet succeeded. 1) CentOS7 with Development and Creative workstation 2) Disabled SELinux by editing /etc/selinux/config 3) Disabled firewalld by systemctl disable firewalld 4) Enabled xdmcp by editing /etc/gdm/custom.conf Adding "Enable=true" in [xdmcp] section 5) reboot 7) connect from windows7 PC

Yes, now I am dropping packets in OUTPUT chain for type 3. Initially, I implemented the chain to drop type 0 and 8. But it wont worked and the packets were hitting at firewall for multiple ICMP requests. I didn't Understand the problem. After posting here I go through all the types of ICMP types where I understand to drop packets for "Host unreachability" . Thanks for your help Mr.

On 01/06/2016 04:45 AM, Shital Sakhare wrote: > I have blocked icmp ports in iptables and if I execute the Ping manualy its > blocking. ... > How this can be controlled ? Drop the incoming traffic in iptables, rather than rejecting it?

On 01/06/2016 05:47 AM, Shital Sakhare wrote: > Thanks, Dropped the ICMP type 3 port. Now question to find the cause. Well, based on your tcpdump output, it looks like your rules were rejecting unrelated packets, or tcp/443 packets. It's hard to be sure since the ICMP was the first packet, so you didn't show the packet it was actually replying to. The ICMP traffic is a result of

Hello, Today, I got the below error server Console, Cpu 1:machine check exception Tcs c7f3d370acf17a ADDR 112d6c00040288 MISC c453176c00040200 This is not a softeware problem Run through mcelog ascii to decode and contact your hW vendor Kernel panic not syncing :machine check Can anybody please provide the meaning of this. How can I pull the logs from server ? Still not able to

Hi, >From last some days I am facing the unexpected huge ICMP traffic is going out from Server. I have blocked icmp ports in iptables and if I execute the Ping manualy its blocking. Some process is send this huge traffic. Below is tcpdump output. ================================ 16:23:27.817856 IP (tos 0xc0, ttl 64, id 55278, offset 0, flags [none], proto ICMP (1), length 104)

Hi, While clicking on the image it opens into the browser. I dont want to allow client to open the image in browser as separate url. I have blocked the /image/ directory from access/listing , but the image is opening. ex. http://example.com/images/1.jpg . The image should not open in browser with this URL. How to stop that in apache. Please help me. Shital S.

Hi list, I need a new mobo for my workstation. I'm planning to buy Asus Z97K or Asus Z97 Pro and install Centos 7. Anyone has experiences with these mobos? I need to know if Z97 chipset and NIC Realtek 8111GR are supported by C7. Another question about Intel I218V NIC installed on Asus Z97 Pro. Is it supported? I've ridden from google that Z97 chipset seems be supported by Linux but

Has anyone had success running CentOS on Z97-based motherboards? The plan is to use CentOS 7 on this system. Devin

Hi, I'm writing an R package using the C code i've written. I'm wondering if anyone knows an easy way to calculate an inverse and cholesky factor of a matrix using the Fortran/C library of R: and how to call them from C. My code is based on the Numerical Reciepe code, and I'm trying to use something that is already in R. Thanks for your help in advance, Kosuke

Hi, What Lapack routine(s) should I use to calculate the determinant of a symmetric matrix of real numbers? I would appreciate any guidance on this issue. Thanks, Kosuke --------------------------------------------------------- Kosuke Imai Office: Corwin Hall 041 Assistant Professor Phone: 609-258-6601 (Direct) Department of Politics Fax: 609-258-1110 (Department)

Hi, I m using centos 7 in laptop and kvm as virtualization to run windows guest vm.Currently i m using NAT as default setting for guest vm, my internet is fine but can't resolve some domains and sites. So want to come on bridge. As per my understanding bridge can not work while device is managed by NetworkManager. Is there any utility or tool to use to scan wireless device in network and

Dear SAMBA team: I have a question about SAMBA because I install red hat linux 6.2 server in our server and it is in the NT LAN. I try to let other NT machine log in to that linux server through Reflection X. So I choose SAMBA. I would want to know that does SAMBA support XDMCP ? Because Reflection X use XDMCP broadcast and it can detect other servers on our NT LAN. And

Can any help in this issue, it would be really appreciated. I did the following, but it didnt help.... For XDMCP connection to Red Hat 5 EL 1. XDM Configuration 1. Change runlevel to 5 Open/etc/inittab and set the initial runlevel to 5 as following: id:5:initdefault: 2. Enable XDMCP For GDM: Open /etc/gdm/custom.conf and set the Enable entry to 1 in the [xdmcp] section as following. [xdmcp]

Hello CentOS-Community, I have to maintain a server that should be useable with VNC and some software requires to run VirtualGL. Also a nvidia graphic card is installed. After downloading and installing the nvidia driver from nvidias homepage and modifying the xorg.conf as mentioned on the virtualgL-homepage, I am not able to restart lightdm anymore. Lightdm should be running, otherwise

Hi, I want to use R_qsort_int_I() in my C function, but getting the following error. It looks like there is a conflict between Rmath.h, which I use to generate random numbers, and R_ext/Boolean.h I would appreciate any help to fix this problem. gcc -ansi -g -o Gibbs gibbs.c subroutines.o rand.o vector.o -lm -lRmath -llapack -lblas -lfrtbegin -lg2c -lm -shared-libgcc In file included from

Hi Samba, I want use samba for file sharing between, Solaris 2.6 and NT domanins. The end user, NT application processes need to access the file system which on Solaris. So I dont want create/add every user who wants to access to filesystem by authenticating NT user name. I just want create a proxy user on samba, who ever connects, I mean irrespective of any NT login name, they should be

Hi all, I am trying to use XDMCP from a Mac (OSX Lion, XQuartz) to an updated CentOS 6 64Bit host. I am tunneling through SSH, so I use XDMCP on the remote host locally via Xnest like this: > ssh -X -C -l $LOGINUSER $HOST -n "Xnest :1 -ac -geometry 1440x850 > -once -query localhost I get a black screen without any login window or desktop background. My /etc/gdm/custom.conf looks

I'm having trouble getting the GDM login screen to show up when I connect from a remote host. I'm using Xming on the local Windows machine, but every time I connect to the remote server all I get is a gray window with the X cursor. I have "Enable=true" in the [xdmcp] section of /etc/gdm/custom.conf. IPtables is disabled. I've googled around and read through the xdmcp page