View Relay "FTPhalifaxRWTH"

Operator: ftp.halifax.rwth-aachen.de (9 relays) ✓ Validated | Family: 9 relays | 0x8D41788E90924014 Carsten Otto... | AS47610 | Germany | Linux

Health Status

Consensus
In Consensus (9/9 Directory Auths)
Flags
Fast, Guard, Running, Stable, V2Dir, Valid (6)
BW Verified
5/6 BW Auths Measured 576 Kbit/s Median
Stability
Not Overloaded | UP 8h 23m 48s ago | UP 100% (1M)
Reachability
IPv4: 9/9 | v6: 7/7 (Directory Auths)
First Seen
1y 8mo 2w ago
BW Weight
0.04% of Network | 508 Mbit/s Observed By Relay
Version
0.4.8.22 Recommended
Issues Detected:
  • High consensus weight deviation : Large variation in Consensus Weight values across authorities (see 'Cons Wt' column in Per-Authority Details below)
    Suggestion: Consensus weight measurements vary significantly between authorities. This can affect traffic distribution. Ensure stable network connection and consistent bandwidth availability.

Connectivity and Location

Addresses
OR Address
not-ftp.halifax.rwth-aachen.de
137.226.34.45:9007
[2a00:8a60:e012:a00::9001]:9007
Reachability (Directory Authorities)
IPv4
9/9
IPv6
7/7 (2 don't test)
Location
Country
Germany Germany
Interactive Map
View on Interactive Map
Autonomous System
AS Number
AS47610
AS Name
RWTH Aachen University (BGP.tools)

Flags and Eligibility

Current Flags (6): Running, Valid, V2Dir, Fast, Stable, Guard
Eligible Flags (6): Running: 9/9 | Valid: 9/9 | V2Dir: 9/9 | Fast: 9/9 | Stable: 9/9 | HSDir: 0/9 | Guard: 9/9 (need ≥5/9 for flag)
Eligibility Flag Vote Details
Flag Metric Status Relay Value Threshold Required
Fast Speed Meets (≥100 KB/s) 508.8 Mbit/s (R) ≥800.0 Kbit/s (guarantee) OR top 7/8
[Stricter] moria1: ≥8.4 Mbit/s
Stable MTBF Meets Median: 85.1d (8/9 DA above threshold)
Min/Max: 47.2d / 3194.8d (9/9 DA, Voting / Total Eligible)		 ≥22.0d - 54.1d (varies)
[Stricter] moria1: ≥405.3d
Uptime Below 0.4d (R) ≥9.3d - 10.0d (varies)
HSDir Prereq: Stable Meets 9/9 authorities assigned Stable flag ≥5/9 authorities
Prereq: Fast Meets 9/9 authorities assigned Fast flag ≥5/9 authorities
WFU Meets Majority: 100.0% (7/9 DA)
Min/Med/Max: 99.9% / 100.0% / 100.0% (9/9 DA, Voting / Total Eligible)		 ≥98.0%
Time Known Meets Median: 84.7d (9/9 DA above threshold)
Min/Max: 9.9d / 201.1d (9/9 DA, Voting / Total Eligible)		 ≥1.0d (most)
[Stricter] moria1: ≥9.9d
Guard Prereq: Fast Meets 9/9 authorities assigned Fast flag ≥5/9 authorities
Prereq: Stable Meets 9/9 authorities assigned Stable flag ≥5/9 authorities
Prereq: V2Dir Meets 9/9 authorities assigned V2Dir flag ≥5/9 authorities
WFU Meets Majority: 100.0% (7/9 DA)
Min/Med/Max: 99.9% / 100.0% / 100.0% (9/9 DA, Voting / Total Eligible)		 ≥98% (all authorities)
Time Known Meets Median: 84.7d (9/9 DA above threshold)
Min/Max: 9.9d / 201.1d (9/9 DA, Voting / Total Eligible)		 ≥8 days (all authorities)
Bandwidth Meets (≥2 MB/s) 508.8 Mbit/s (R) ≥16.0 Mbit/s OR ≥80.0 Mbit/s-312.0 Mbit/s

(DA) = Dir. Auth. Measured | (R) = Relay Reported
Data from Tor CollecTor (authority votes, fetched 2026-01-29 16:15:07).

Last fetch was at Thu, 29 Jan 2026 16:15:44 GMT.

Nickname
FTPhalifaxRWTH
Fingerprint
2F3B9DFFDF23DAC9CCC8E223EAB6423535DDC21E
AROI (?)
ftp.halifax.rwth-aachen.de
Contact
0x8D41788E90924014 Carsten Otto <tor@c-otto.de> url:ftp.halifax.rwth-aachen.de proof:uri-rsa ciissversion:2
IPv4 Exit Policy Summary 
reject: 
  1-65535
IPv6 Exit Policy Summary 
none
Exit Policy 
reject *:*
Effective Family Members: 9 (View) 
008EAE223B110C8EDEE20D06FB0DD4C43E3E0142
1815E96EDB9444E9CD0D11FB9BB695B687C21E82
27E1B97D9491013EF48479D4F47002F3358E0D92
2F3B9DFFDF23DAC9CCC8E223EAB6423535DDC21E
4E8BF739B5E7835776EDD72CF9CAA402ACE00055
63F7DC3102C95E010F83B2041A5938909E4ABAF2
A86B8708BAAC8A1FE66F0FE9270D23A364A1601B
ACB898B28ACABBD78F23AF2FB06FC864A4111646
DA78144C70B15AE3EB04DE340DC8FADB80F1F495
Alleged Family Members: 0 
none
Indirect Family Members: 0 
none
Bandwidth Capacity (Observed | Advertised | Rate Limit | Burst Limit)
508.83 Mbit/s | 508.83 Mbit/s| 8.59 Gbit/s| 8.59 Gbit/s  Measured
Network Participation (Consensus Weight | Guard | Middle | Exit)
0.04% | 0.07% | 0.05% | N/A
OR Address
not-ftp.halifax.rwth-aachen.de | 137.226.34.45:9007, [2a00:8a60:e012:a00::9001]:9007
Exit Address
none
Dir Address
none
Country
Germany Germany
Interactive Map
View on Interactive Map
Autonomous System (AS Number | AS Name)
AS47610 | RWTH Aachen University (BGP.tools)
Flags: 6
Fast Fast Guard Guard Running Running Stable Stable V2Dir V2Dir Valid Valid
Flag Uptime (1M/6M/1Y/5Y)
—/—/—/90.4%
Uptime (1M/6M/1Y/5Y)
100.0%/100.0%/99.9%/97.1%
Uptime / Downtime
UP 8h 23m 48s ago
Seen (First | Last)
1y 8mo 2w ago (2024-05-17 14:00:00) | 1h 16m 53s ago (2026-01-29 15:00:00)
Last Restarted
8h 24m 56s ago (2026-01-29 07:51:57)
Last Changed Address or Port
2025-12-19 18:00:00
Hibernating
No
Platform (Short | Long)
Linux | Tor 0.4.8.22 on Linux
Version (Running | Recommended | Status)
0.4.8.22 | Yes | recommended

Consensus Evaluation

Data from Tor CollecTor (authority votes, fetched 2026-01-29 16:15:07).

  • Consensus Status (need ≥5/9): In Consensus — 9/9 authorities voted.
  • Flag Eligibility (need ≥5/9 for flag): Running: 9/9 | Valid: 9/9 | V2Dir: 9/9 | Fast: 9/9 | Stable: 9/9 | HSDir: 0/9 | Guard: 9/9
  • Reachability: IPv4: 9/9 | IPv6: 7/7 (2 don't test)
  • Consensus Weight (Dir. Auth.): Median: 576.0 Kbit/s | Min: 80.0 Kbit/s | Max: 960.0 Kbit/s [Warning] High deviation
  • Identified Issues:
    • High consensus weight deviation: Large variation in Consensus Weight values across authorities (see 'Cons Wt' column in Per-Authority Details below)
      • Suggestion: Consensus weight measurements vary significantly between authorities. This can affect traffic distribution. Ensure stable network connection and consistent bandwidth availability.

Summary: Your Relay vs Consensus

Green = meets threshold, Red = below threshold, Yellow = partial.

Metric Dir Auth Measured Dir Auth Threshold Status
In Consensus (Dir. Auth.) 9/9 authorities ≥5/9 (majority) IN CONSENSUS
Running (IPv4 Reachable) 9/9 authorities reached this relay ≥5/9 (majority) RUNNING
Valid 9/9 (Running + Valid Descriptor) ≥5/9 (majority) VALID
Consensus Weight (Dir. Auth.) 576.0 Kbit/s (median) N/A (no threshold, used for path selection) —
Guard WFU (Dir. Auth., guard-wfu) 100.0% ≥98% (all authorities) MEETS
Guard TK (Dir. Auth., tk) 84.7 days ≥8 days (all authorities) MEETS
Guard BW (Relay Reported) 508.8 Mbit/s ≥16.0 Mbit/s OR ≥80.0 Mbit/s-312.0 Mbit/s MEETS - ≥2 MB/s guarantee
Stable Uptime (Relay Reported) 0.4d ≥9.3d - 10.0d (typical) BELOW - 0/9
Stable MTBF (Dir. Auth., mtbf) 85 days ≥22.0d - 54.1d (typical)
[Stricter] moria1: ≥405.3d 		MEETS - all authorities
Fast Speed (Relay Reported) 508.8 Mbit/s ≥800.0 Kbit/s (guarantee) OR ≥816.0 Kbit/s (typical)
[Stricter] moria1: ≥8.4 Mbit/s 		MEETS - ≥100 KB/s guarantee
HSDir WFU (Dir. Auth., wfu) 100.0% ≥98.0% (from all auths) BELOW - 0/9
HSDir TK (Dir. Auth., tk) 84.7 days ≥1.0d (8/9 auths)
[Stricter] moria1: ≥9.9d 		BELOW - 0/9
IPv6 Reachable (Dir. Auth.) 7/7 tested ≥4/7 (majority) REACHABLE

Per-Authority Details

Each cell shows: your measured value | authority threshold. Green = meets, red = below. Flags: green = all authorities agree, yellow = partial.

Authority Running Valid BW Scan (Authority) v4 v6 Flags Fast (Relay|T) Guard BW (Relay|Threshold) Guard WFU (M|T) Guard TK (M|T) Stable MTBF (M|T) Stable Uptime (Relay|T) HSDir WFU (M|T) HSDir TK (M|T) Desc Published Cons Wt (Authority)
bastet (US) Yes Yes Y Yes Yes Running, Valid, V2Dir, Fast, Stable, Guard 508.8 Mbit/s | 816.0 Kbit/s 508.8 Mbit/s | 232.0 Mbit/s OR 16.0 Mbit/s 100.0% | 98% 84.7d | 8d 84.7d | 49.8d 0.4d | 10.2d 100.0% | 98.0% 84.7d | 1.0d 2026-01-29 07:52:59 576.0 Kbit/s
dannenberg (DE) Yes Yes N Yes Yes Running, Valid, V2Dir, Fast, Stable, Guard 508.8 Mbit/s | 816.0 Kbit/s 508.8 Mbit/s | 80.0 Mbit/s OR 16.0 Mbit/s 100.0% | 98% 84.4d | 8d 84.4d | 22.0d 0.4d | 10.0d 100.0% | 98.0% 84.4d | 1.0d 2026-01-29 07:52:59 80.0 Kbit/s
dizum (NL) Yes Yes N Yes — Running, Valid, V2Dir, Fast, Stable, Guard 508.8 Mbit/s | 816.0 Kbit/s 508.8 Mbit/s | 80.0 Mbit/s OR 16.0 Mbit/s 100.0% | 98% 47.6d | 8d 47.2d | 34.7d 0.4d | 10.0d 100.0% | 98.0% 47.6d | 1.0d 2026-01-29 07:52:59 80.0 Kbit/s
faravahar (US) Yes Yes N Yes Yes Running, Valid, V2Dir, Fast, Stable, Guard 508.8 Mbit/s | 816.0 Kbit/s 508.8 Mbit/s | 80.0 Mbit/s OR 16.0 Mbit/s 100.0% | 98% 201.1d | 8d 201.1d | 47.2d 0.4d | 9.3d 100.0% | 98.0% 201.1d | 1.0d 2026-01-29 07:52:59 80.0 Kbit/s
gabelmoo (DE) Yes Yes Y Yes Yes Running, Valid, V2Dir, Fast, Stable, Guard 508.8 Mbit/s | 816.0 Kbit/s 508.8 Mbit/s | 304.0 Mbit/s OR 16.0 Mbit/s 100.0% | 98% 85.1d | 8d 85.1d | 54.1d 0.4d | 10.0d 100.0% | 98.0% 85.1d | 1.0d 2026-01-29 07:52:59 960.0 Kbit/s
longclaw (US) Yes Yes Y Yes — Running, Valid, V2Dir, Fast, Stable, Guard 508.8 Mbit/s | 816.0 Kbit/s 508.8 Mbit/s | 80.0 Mbit/s OR 16.0 Mbit/s 100.0% | 98% 84.3d | 8d 84.3d | 54.7d 0.4d | 9.6d 100.0% | 98.0% 84.3d | 1.0d 2026-01-29 07:52:59 80.0 Kbit/s
maatuska (SE) Yes Yes Y Yes Yes Running, Valid, V2Dir, Fast, Stable, Guard 508.8 Mbit/s | 816.0 Kbit/s 508.8 Mbit/s | 312.0 Mbit/s OR 16.0 Mbit/s 100.0% | 98% 93.7d | 8d 93.7d | 54.9d 0.4d | 9.5d 100.0% | 98.0% 93.7d | 1.0d 2026-01-29 07:52:59 664.0 Kbit/s
moria1 (US) Yes Yes Y Yes Yes Running, Valid, V2Dir, Fast, Stable, Guard 508.8 Mbit/s | 8.4 Mbit/s 508.8 Mbit/s | 240.0 Mbit/s OR 16.0 Mbit/s 99.9% | 98% 9.9d | 8d 3194.8d | 405.3d 0.4d | 9.9d 99.9% | 98.0% 9.9d | 9.9d 2026-01-29 07:52:59 608.0 Kbit/s
tor26 (AT) Yes Yes Y Yes Yes Running, Valid, V2Dir, Fast, Stable, Guard 508.8 Mbit/s | 816.0 Kbit/s 508.8 Mbit/s | 288.0 Mbit/s OR 16.0 Mbit/s 100.0% | 98% 85.2d | 8d 85.2d | 55.9d 0.4d | 10.8d 100.0% | 98.0% 85.2d | 1.0d 2026-01-29 07:52:59 880.0 Kbit/s

— = not tested/available • Format: relay value | authority threshold • WFU = Weighted Fractional Uptime • TK = Time Known

Bandwidth Values Explained:
Relay Reported = Your relay's self-reported bandwidth from its descriptor (observed_bandwidth). Used for flag eligibility (Guard, Fast).
Authority Measured = Bandwidth measured by authority's sbws scanner. Used for consensus weight (path selection probability).
Why different? Authorities verify your reported bandwidth independently. 6 of 9 authorities run bandwidth scanners; 3 use relay-reported values directly.
Stable Uptime (Two Data Sources):
Relay Uptime = From Onionoo API (last_restarted field). This is your relay's self-reported uptime from its descriptor. Same value for all authorities.
Authority Threshold = From CollecTor vote files (flag-thresholds stable-uptime). Each authority may have different thresholds.
Why two sources? Vote files contain authority thresholds but not per-relay uptime values. Onionoo aggregates relay descriptors which include uptime.