View Full Version : New VU+ Zero No Telnet Access
Hi All
Strange one this :confused:
New box loaded with 4.2.06
All my other boxes no issue connecting with E2 this box just wont play, login incorrect, user name root: password:blank
Also tried telnet and ssh still the same problem.
Defaulted box still the same problem?
Any ideas?
Thanks
Chuf
abu baniaz
16-10-16, 13:17
What program are you using?
Hi
Tried putty, telnet from windows and also DCC
FYI
can connect fine with ftp, just telnet.......
Any ideas??
heres my telent output when I try to connect
Welcome to OpenViX for vuzero
openvix 4.2 vuzero
vuzero login: root
Password:
Last login: Wed Oct 19 10:19:23 IST 2016 on pts/0
login: res_query.c:262: __libc_res_nquery: Assertion `(hp != NULL) && (hp2 != NU
LL)' failed.
Any ideas??
heres my telent output when I try to connect
Welcome to OpenViX for vuzero
openvix 4.2 vuzero
vuzero login: root
Password:
Last login: Wed Oct 19 10:19:23 IST 2016 on pts/0
login: res_query.c:262: __libc_res_nquery: Assertion `(hp != NULL) && (hp2 != NU
LL)' failed.Something is doing a (reverse?) DNS lookup (although I'm not sure why). Do you have DNS servers configured correctly on the system?
Here's a (probable) bug report about this :
https://sourceware.org/bugzilla/show_bug.cgi?id=19791
So, have you set up a valid address for a DNS name resolver?
Hi All
tried connecting with putty/DCC/and dos cmd all the same result.
DNS set to BB provider same as my duo2, also tried setting dns to router 192.168.1.1 and 8.8.8.8
DaMacFunkin
20-10-16, 09:20
Just a quick ask, is box connected via Wi-Fi?
Have you connected to your Modem/router instead of your router?
Just a thought.
Just a quick ask, is box connected via Wi-Fi?
Have you connected to your Modem/router instead of your router?
Just a thought.
Hi
Zero is connected directly into vdsl router via lan cable, fyi my solo and duo have no problems.........
Thanks
Chuf
Okay peeps took the leap and added this into the config....
added the following to /etc/sysctl.conf and do
net.ipv6.conf.all.disable_ipv6 = 1sysctl -p
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
make sure that dns has an ipv6 entry. in my test, ipv6 was the first entry
Okay first problem how do I do this command sysctl -p
Second issue
make sure that dns has an ipv6 entry Where do I add this entry?
Third the box is still working atm.......:eek:
Any ideas?
Chufski
Over & Out
added the following to /etc/sysctl.conf and do
net.ipv6.conf.all.disable_ipv6 = 1sysctl -p
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1There's stray "sysctl -p" text at the end of the first item.
Okay first problem how do I do this command sysctl -p
You just run it on the command line once you login - but as I read that I see the chicken-and-egg problem...
Although if you've got the text into the file a reboot will also do it (the file gets loaded at boot time).
There's stray "sysctl -p" text at the end of the first item.
You just run it on the command line once you login - but as I read that I see the chicken-and-egg problem...
Although if you've got the text into the file a reboot will also do it (the file gets loaded at boot time).
Okies ive rebooted the zero but no difference does it matter where I put the new lines?
this is how it looks at the moment......
# Uncomment the next two lines to enable Spoof protection (reverse-path filter)
# Turn on Source Address Verification in all interfaces to
# prevent some spoofing attacks
net.ipv4.conf.default.rp_filter=1
net.ipv4.conf.all.rp_filter=1
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
Thanks
Chuf
Ive also noticed this as well any ideas if I have to add this line if so where do I add it?
Applying the fix to include *answerp2 as well in the check at line 248 seems to fix the issue.
if (answerp2 == NULL || *answerp2 == NULL || *resplen2 < (int) sizeof (HEADER))
I also found this so removed but no difference......
/etc/resolv.conf
nameserver 2001:4860:4860::8888
nameserver 2001:4860:4860::8844
and left my default dns in there
Okies ive rebooted the zero but no difference does it matter where I put the new lines?It matters that the file is a Unix text file, not a DOS one.
this is how it looks at the moment......
# Uncomment the next two lines to enable Spoof protection (reverse-path filter)
# Turn on Source Address Verification in all interfaces to
# prevent some spoofing attacks
net.ipv4.conf.default.rp_filter=1
net.ipv4.conf.all.rp_filter=1
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
Did you add these to what was already there, or is that now the entire content of the file?
Ive also noticed this as well any ideas if I have to add this line if so where do I add it?
Applying the fix to include *answerp2 as well in the check at line 248 seems to fix the issue.
if (answerp2 == NULL || *answerp2 == NULL || *resplen2 < (int) sizeof (HEADER))That's a change to the resolver code in glibc, so you can't do anything with it.
I also found this so removed but no difference......
/etc/resolv.conf
nameserver 2001:4860:4860::8888
nameserver 2001:4860:4860::8844
and left my default dns in thereThat's using ipv6 for Google's DNS servers...how did that get set? Do you actually use ipv6 on your network?
It matters that the file is a Unix text file, not a DOS one.
Did you add these to what was already there, or is that now the entire content of the file?
I added the new lines to what was already there....
That's a change to the resolver code in glibc, so you can't do anything with it.
That's using ipv6 for Google's DNS servers...how did that get set? Do you actually use ipv6 on your network?
I added the new lines to what was already there....
Ive enabled ipv6 on the router but no idea how they got in there, I did add googles dns to see if it made a difference on the router.....
Ive enabled ipv6 on the router but no idea how they got in thereThat would do it. I presume the router is running a DHCP server and you're using DHCP - it will have sent along the DNS server info along with the IP assigned address.
Router running dhcp box is on static ip address.......
any ideas yet how to correct this as I know its secure ish but would rather it be sorted.....
Thanks
Chuf
Hi All
Since upgrading the box to 4.2.10 I now have telnet access from putty but not from dos cmd promt or E2.
Strange but true........
Chuf
Router running dhcp box is on static ip address.......Your router really should have a static IP address. All other systems needs to be configured with what it is.
Hi
Router has a static ip address of 192.168.1.1 its running dhcp to serve the clients.........
All machines are using 1.1 as the gateway and dns of my isp.
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