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For RU wide service interruption see meldingen.ru.nl.
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Monday evening July 2, there will be maintenance on central RU network equipment. From 22:00 hours, central RU applications and network will not be available most of the time. For telephones no disturbance is expected. For the C&CZ services there is a possibility of disruptions: no Internet connection for some time. Please think which processes depend on connectivity to RU central services and prepare for this possible outage if necessary. Future maintenance windows can be seen on the ISC website....
Saturday june 9th from 8:00h until approximately 12:00h analog telephone communications via AudioCodes will not be possible. At this time the existing equipment used in the Huygens- and surrounding buildings will be moved and reconnected. Only traditional analog equipment such as DECT phones and such are connected to the AudioCodes. The green (emergency) phones are not connected to these AudioCodes but to the emergency telephone exchange. The emergency telephone exchange wil go down for ten minutes during the afternoon due to an intteruption of the power supply....
Saturday June 9th from 8:00h until approximately 12:00h analog telephone communications via AudioCodes will not be possible at FNWI. At that time the existing equipment used in the Huygens and surrounding buildings will be moved and reconnected. Only traditional analog equipment such as DECT phones are connected to the AudioCodes. The green emergency phones are not connected to these AudioCodes but to the emergency telephone exchange. The emergency telephone exchange wil go down for ten minutes during the afternoon of that day due to an interruption of the power supply....
Last week, the DHCP infrastructure at FNWI was changed, in order to move from old to new servers. An error was made when we had to move back because DHCP did not run well on a virtual interface. When the first complaints came in this morning, we quickly found and repaired the error. We try to avoid further service disruptions while improving the DHCP service.
Last week, the DNS infrastructure at FNWI was changed, in order to move from old to new servers and to prepare for the use of DNSSEC. A workaround for the internal/external view of ru.nl had an unwanted side effect. This made the FNWI DNS servers lose the info about ru.nl. We had to resort to a different workaround to fix this. We try to avoid further service disruptions while improving the DNS services....
Backups were incomplete since March 17th. The tape robot couldn’t be used because a tapedrive failed, probably due to dry weather conditions. Therefore holding disks filled up. Only the backup of Tuesday upon Wednesday is possibly complete, but we lack backups of March 21st and 22nd, which is caused by a filesystem inconsistency of the holding disks, repairs already take two days. We’re trying hard to make backups this weekend, but please be cautious with your files, since restores of recently changed files might fail....
During the process of restoring the homedirectory of the affected user of the ransomware, the samba server was restarted, however it stopped, but not start. This was noticed only 45 minutes later. We have ajusted our monitoring to help us notice this more quickly.
Due to an accidental opening of an e-mail attachment (called Resume.doc), which contained a macro-based ransomware, all the files and directories on the mentioned shares were either removed or encrypted and a message was left on the infected computer to contact a certain URL to get the files back. The files were restored from backup and the PC wiped clean and re-installed. NB. The f-secure software did not recognise this malware yet at the time....
Yesterday morning, we got an alarm because the smtp service did not work properly. The cause was found to be that from various PCs from, among other countries, China, connections were built up with one of the smtp servers, without actually sending an e-mail, as a result of which all these connections were left hanging. If the number of standing connections became too high, the server became unusable for others. This service has to be be accessible from the Internet, because of authenticated SMTP....
This morning the fileserver reported a disc problem. To diagnose this, we have to upgrade the firmware, which makes downtime necessary. We planned this for next Monday morning because of the Next Business Day support contract. Sorry for any inconvenience. Affected disks: acfiles aerochem amsbackup amscommon animal astropresentie avance500 avance600 beevee b-fac-backup bioniccell bio-orgchem boltje carisma celbio1 celbio2 chemprac cncz coastoffon csgi-archief desda ds ehef1 ehef2 ehef3 ehef4 femtospin geminstr2 giphouse gissig global gmi goudsmit1 hfml-backup hfml-backup2 hfml-backup3 hfml-backup-inst highres imappdir imappsecr impuls introcie isis janvanhest kaartenbak kangoeroe khaj linova500 linova800 marcurkasco mathsolcie mbaudit1 mbscon mbsl molbiol mwstudiereis neuroinf neuroinf2 nfstest olympus puc randomwalkmodel ruversatest secres2 secrmolbiol sigma sigmacies spectra spectra-rw spm spmdata3 spmdata4 spmdata5 spmdata6 spmdata7 spmmagstm spmnanolab spmstaff ssi ssiguest staff-hfml stroom thalia thaliacies ucm vsc vsc1 vsc10 vsc11 vsc12 vsc13 vsc14 vsc15 vsc2 vsc3 vsc4 vsc5 vsc6 vsc7 vsc8 vsc9 vscadmin wiskalg wiskunde wkru